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    Long Range Thermal Scope wi...

    The GOYOJO GRS225RF is a compact thermal imaging optic designed for long-distance outdoor observation in darkness, low light, fog, and other visually challenging conditions. It features a 256 × 192 thermal detector, 12 μm pixel pitch, 25 mm objective lens, 50 Hz refresh rate, and a high-resolution 1440 × 1080 OLED display.

    The RF configuration includes a 905 nm laser rangefinder and a listed calculation function, while the standard GRS225 version uses algorithm-based distance estimation. Additional features include continuous image enlargement, super-resolution processing, photo and video recording, recoil-activated recording, Wi-Fi connectivity, and IP67 environmental protection.

    The GRS225 and GRS225RF should be published as separate variants because their ranging functions, battery use, included accessories, and prices may differ.

    Key Features

    • 256 × 192 thermal imaging detector

    • 12 μm pixel pitch

    • 25 mm objective lens

    • 50 Hz refresh rate

    • 1440 × 1080 OLED display

    • Listed magnification range from 1x to 8x

    • Super-resolution image processing

    • Continuous digital enlargement

    • Thermal detection distance up to approximately 1,300 m

    • Integrated 905 nm laser rangefinder on GRS225RF

    • Algorithm-based ranging on standard GRS225

    • Photo, video, and audio recording

    • Recoil-activated video recording

    • Wi-Fi and mobile application support

    • IP67 environmental protection

    • Internal and external battery support

    • CE certification, subject to verification

    Product Specifications

    • Brand: GOYOJO, subject to brand confirmation

    • Alternative Listed Brand: Maitepus

    • Model Family: GRS225 / GRS225RF

    • Product Type: Thermal Imaging Optic

    • Thermal Detector Resolution: 256 × 192 Pixels

    • Pixel Pitch: 12 μm

    • Detector Type: Confirm Before Publishing

    • Thermal Sensitivity: Confirm NETD Before Publishing

    • Objective Lens: 25 mm

    • Lens Aperture: Confirm Before Publishing

    • Refresh Rate: 50 Hz

    • Display Type: OLED

    • Display Resolution: 1440 × 1080 Pixels

    • Display Size: Under 1.9 Inches, exact size to be confirmed

    • Listed Magnification: 1x–8x

    • Magnification Method: Confirm as Base Magnification and Digital Zoom

    • Thermal Detection Distance: Up to Approximately 1,300 m

    • Range Estimation on GRS225: Algorithm-Based Ranging

    • Rangefinder on GRS225RF: Integrated 905 nm Laser Rangefinder

    • Maximum Laser-Ranging Distance: Confirm Before Publishing

    • Calculation Function: Supported on GRS225RF, exact features to be confirmed

    • Super-Resolution Processing: Supported

    • Continuous Zoom: Supported, likely digital

    • Photo Capture: Supported

    • Video Recording: Supported

    • Audio Recording: Supported

    • Recoil-Activated Recording: Supported

    • Wi-Fi: Supported

    • Mobile Application: Supported, exact application to be confirmed

    • Protection Rating: IP67

    • Internal Battery: Rechargeable 18650 Lithium Battery

    • Listed Internal Battery Runtime: Approximately Seven Hours

    • External Battery: CR123 Lithium Battery

    • Listed External Battery Runtime: Approximately Two Additional Hours

    • Alternative Runtime Claim: Up to Approximately Eight Hours with RF and Wi-Fi Disabled

    • Conflicting Power Specification: AA Battery

    • Charging Interface: Confirm Before Publishing

    • Operating Temperature: Confirm Before Publishing

    • Listed Temperature Range: -20°C to 600°C, subject to clarification

    • Dimensions: Confirm Before Publishing

    • Weight: Confirm Before Publishing

    • Certification: CE, subject to documentation

    • Battery Included: Yes, exact configuration to be confirmed

    • Country of Origin: China

    256 × 192 Thermal Detector

    The GRS225 series uses a 256 × 192 thermal detector with a 12 μm pixel pitch.

    This configuration is designed to support:

    • Detection of heat sources without visible light

    • Long-distance outdoor observation

    • Separation of warm subjects from cooler surroundings

    • Smooth handheld scanning

    • Digital image enlargement

    • Compact device construction

    Actual image quality depends on detector sensitivity, target size, temperature contrast, atmospheric conditions, lens focus, and image-processing settings.

    Missing Detector Information

    Before publication, confirm:

    • Detector material

    • Cooled or uncooled design

    • NETD thermal sensitivity

    • Spectral response

    • Sensor manufacturer

    • Calibration system

    • Image-processing modes

    The NETD value is particularly important because it indicates how well the device can distinguish small temperature differences.

    25 mm Objective Lens

    The device uses a listed 25 mm thermal objective lens.

    This lens may provide a balance between:

    • Field of view

    • Base magnification

    • Medium- to long-distance observation

    • Subject visibility

    • Portable product dimensions

    Before publication, confirm:

    • Lens aperture

    • Lens material

    • Exact field of view

    • Minimum focusing distance

    • Manual or fixed focus

    • Lens coating

    Magnification and Continuous Zoom

    The product is listed with a magnification range of 1x to 8x and continuous zoom.

    Before publishing, confirm whether this represents:

    • Base optical magnification with digital zoom

    • Continuous digital enlargement

    • Fixed zoom steps

    • Software-enhanced magnification

    Digital zoom enlarges the displayed image but does not increase the detector’s native resolution. Fine detail may decrease at higher enlargement levels.

    Super-Resolution Processing

    The listed intelligent super-resolution feature is intended to enhance the displayed thermal image through software processing.

    It may improve:

    • Edge visibility

    • Local contrast

    • Subject separation

    • Perceived detail

    • Image presentation during enlargement

    Super-resolution processing does not change the detector’s native 256 × 192 resolution.

    50 Hz Refresh Rate

    The 50 Hz refresh rate supports smoother thermal imaging during:

    • Handheld scanning

    • Walking observation

    • Tracking moving heat sources

    • Outdoor monitoring

    • Property inspection

    • Equipment checks

    The listed value should be verified for both GRS225 and GRS225RF configurations.

    OLED Display

    The internal OLED display provides a listed resolution of 1440 × 1080 pixels.

    Before publication, confirm:

    • Exact physical display size

    • Brightness adjustment

    • Contrast levels

    • Diopter range

    • Eye relief

    • Display refresh rate

    • Screen timeout

    • Power-saving modes

    Display resolution should not be confused with the native thermal detector resolution.

    Thermal Detection Distance

    The device is advertised with a thermal detection distance of up to approximately 1,300 m.

    Detection means that a heat source may be noticed. It does not necessarily mean that the subject can be recognized or positively identified at that distance.

    Before publishing, confirm:

    • Target type

    • Target dimensions

    • Recognition distance

    • Identification distance

    • Temperature difference

    • Weather conditions

    • Test methodology

    GRS225 Algorithmic Ranging

    The standard GRS225 is described as supporting algorithm-based ranging.

    This feature may estimate distance using:

    • Assumed target dimensions

    • On-screen reference markers

    • Software calculations

    • User-selected target profiles

    Algorithmic ranging should not be described as laser measurement.

    GRS225RF Laser Rangefinder

    The GRS225RF includes a listed 905 nm infrared laser rangefinder.

    Before publication, confirm:

    • Minimum measuring distance

    • Maximum measuring distance

    • Measurement accuracy

    • Laser classification

    • Single-measurement mode

    • Continuous-ranging mode

    • Supported units

    • Measurement refresh rate

    • Display integration

    The laser rangefinder distance must be listed separately from the 1,300 m thermal detection range.

    Calculation Function

    A calculation feature is listed for the GRS225RF version.

    Before publication, confirm exactly which inputs and outputs are supported. Avoid detailed performance claims unless they appear in official manufacturer documentation.

    The final listing should state that calculated outputs depend on correct device configuration, calibration, entered information, and environmental conditions.

    Photo and Video Recording

    The device supports:

    • Still-image capture

    • Video recording

    • Audio recording

    • Recoil-activated video

    • Wi-Fi media transfer

    Before publication, confirm:

    • Photo resolution

    • Video resolution

    • Recording frame rate

    • File formats

    • Internal storage capacity

    • Memory-card support

    • Maximum clip length

    • Date and time stamping

    • Audio enable and disable controls

    Recoil-Activated Video

    The recoil-activated recording function is designed to automatically save video when a sudden movement or impact is detected.

    Before publishing, confirm:

    • Recording duration before activation

    • Recording duration after activation

    • Sensitivity adjustment

    • Storage requirements

    • Manual activation

    • File overwrite behaviour

    • Whether audio is recorded

    Wi-Fi and Mobile Application

    Wi-Fi connectivity may allow the device to communicate with a compatible smartphone or tablet.

    Possible functions may include:

    • Live image viewing

    • Remote recording

    • Photo transfer

    • Video transfer

    • Settings adjustment

    • Firmware updates

    Before publication, confirm:

    • Official application name

    • Android compatibility

    • iOS compatibility

    • Connection range

    • Account requirements

    • Firmware-update procedure

    Battery-System Conflict

    The top specifications list AA battery power, while the detailed description lists:

    • Built-in rechargeable 18650 lithium battery

    • External CR123 lithium battery

    The AA battery claim should be removed unless a separate AA-powered version exists.

    Battery Runtime

    The listed battery information includes:

    • Approximately seven hours from the internal 18650 battery

    • Approximately two additional hours from the external CR123 battery

    • An alternative claim of up to eight hours with Wi-Fi and rangefinder functions disabled

    Before publication, confirm:

    • Exact battery capacity

    • Test temperature

    • Display brightness

    • Recording status

    • Wi-Fi status

    • Rangefinder use

    • Whether the external battery operates simultaneously or as backup

    Runtime should be described as approximate.

    IP67 Environmental Protection

    The listed IP67 rating may provide:

    • Dust-tight enclosure protection

    • Resistance to temporary water immersion under specified conditions

    Before publication, verify:

    • Exact tested model

    • Immersion depth

    • Test duration

    • Required port-cover positions

    • Battery-compartment sealing

    • Water-damage warranty terms

    IP67 does not mean the device is intended for continuous underwater use.

    Temperature-Range Conflict

    The listing includes a minimum temperature of -20°C and maximum temperature of 600°C.

    This may refer to:

    • A temperature-measurement range

    • Another thermal-imaging product

    • Incorrect marketplace data

    • A different industrial configuration

    The supplied description does not clearly confirm temperature measurement.

    Do not publish the -20°C to 600°C range until the following are verified:

    • Temperature-measurement function

    • Measurement accuracy

    • Emissivity adjustment

    • Measurement distance

    • Hot-spot tracking

    • High-temperature alarm

    • Operating-temperature range

    Image Palettes

    Confirm whether the device provides thermal modes such as:

    • White Hot

    • Black Hot

    • Red Hot

    • Iron Red

    • Rainbow

    • Target Highlight

    • Fusion

    • Outline Mode

    Only verified firmware options should appear in the final product page.

    User Interface

    The device is described as having silicone buttons and a user-friendly menu.

    Before publication, confirm:

    • Number of control buttons

    • Shortcut functions

    • Menu languages

    • Button backlighting

    • Left- and right-hand operation

    • Screen-lock function

    • Factory-reset option

    Brand and Certification

    The listing includes both GOYOJO and Maitepus brand names.

    Select one verified brand for the product page and ensure that:

    • Product housing matches the brand

    • Packaging uses the same brand

    • Warranty documentation matches

    • CE documentation covers the exact model

    • Mobile application branding is consistent

    Available Variants

    Create separate variants for:

    • GRS225: Algorithm-based ranging

    • GRS225RF: Integrated 905 nm laser rangefinder and calculation function

    Each variant should have its own:

    • SKU

    • Price

    • Images

    • Included accessories

    • Battery configuration

    • Range specification

    • Product title

    Package Contents

    Confirm whether the standard package includes:

    • GRS225 or GRS225RF thermal optic

    • Built-in rechargeable 18650 battery

    • External CR123 battery holder or battery

    • Charging cable

    • Power adapter

    • Protective lens cap

    • Eye cup

    • Carrying case

    • Cleaning cloth

    • User manual

    • Connection accessories

    Optional equipment should not be presented as included unless supplied with the selected configuration.

    Warranty

    The warranty duration is not included in the supplied specifications.

    Before publication, confirm coverage for:

    • Thermal detector

    • OLED display

    • Laser rangefinder

    • Battery

    • Wi-Fi module

    • Recording system

    • Buttons and controls

    • Environmental sealing

    • Labour and return shipping

    • Warranty exclusions

    Important Use Information

    Avoid pointing the thermal detector directly at the sun, welding arcs, lasers, or other intense energy sources, as these may damage the sensor.

    Use only the approved battery types and charging equipment. Keep all protective port covers closed during outdoor operation and store the device within the manufacturer’s specified environmental limits.

    The product should be used only according to the manufacturer’s instructions and all applicable local laws.

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