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    Guide 400x300 Thermal Image...

    Observe heat signatures in darkness, fog, light rain, and other visually challenging outdoor environments with the GOYOJO TE Series Handheld Thermal Imaging Monocular. Featuring a 400 × 300 infrared detector, 12 μm pixel pitch, 25 mm F1.0 objective lens, and thermal sensitivity of 25 mK, this compact device is designed for wildlife observation, property inspection, outdoor exploration, search support, and general heat-source detection.

    The TE Series includes a high-resolution 800 × 600 AMOLED display, a listed detection distance of up to approximately 1,300 metres, IP67 environmental protection, and a rechargeable built-in battery providing up to approximately six hours of operating time.

    Key Features

    • 400 × 300 thermal imaging resolution

    • 12 μm pixel pitch

    • NETD of approximately 25 mK

    • 25 mm F1.0 objective lens

    • Wide 11.0° × 8.2° field of view

    • 0.32-inch AMOLED display

    • 800 × 600 display resolution

    • Detection distance up to approximately 1,300 m

    • Built-in rechargeable battery

    • Up to approximately six hours operating time

    • 20W quick-charging support

    • Approximately one hour of use after a ten-minute charge, subject to verification

    • IP67 environmental protection

    • Compact handheld design

    • CE certification, subject to verification

    Product Specifications

    • Brand: GOYOJO

    • Series: TE Series

    • Exact Model Number: Confirm Before Publishing

    • Product Type: Handheld Thermal Imaging Monocular

    • Thermal Detector Resolution: 400 × 300 Pixels

    • Pixel Pitch: 12 μm

    • Detector Type: Confirm Before Publishing

    • Thermal Sensitivity: NETD Approximately 25 mK

    • Objective Lens: 25 mm

    • Lens Aperture: F1.0

    • Field of View: Approximately 11.0° × 8.2°

    • Base Magnification: Confirm Before Publishing

    • Digital Zoom: Confirm Before Publishing

    • Refresh Rate: Confirm Before Publishing

    • Detection Distance: Up to Approximately 1,300 m or 1,400 yd

    • Display Type: AMOLED

    • Display Size: 0.32 Inches

    • Display Resolution: 800 × 600 Pixels

    • Photo Capture: Confirm Before Publishing

    • Video Recording: Confirm Before Publishing

    • Internal Storage: Confirm Before Publishing

    • Wi-Fi: Confirm Before Publishing

    • Battery Type: Built-In Rechargeable Battery

    • Battery Included: Conflicting Information; Confirm Before Publishing

    • Battery Capacity: Confirm Before Publishing

    • Operating Time: Up to Approximately Six Hours

    • Quick Charging: Supports Up to 20W

    • Listed Quick-Charge Performance: Ten Minutes of Charging for Approximately One Hour of Use

    • Charging Interface: Confirm Before Publishing

    • Protection Rating: IP67

    • Operating Temperature: Confirm Before Publishing

    • Storage Temperature: Confirm Before Publishing

    • Dimensions: Confirm Before Publishing

    • Weight: Confirm Before Publishing

    • Maximum Listed Output Power: Greater Than 0 mW and Less Than 1 mW, function to be clarified

    • Certification: CE, subject to documentation

    • Country of Origin: China

    400 × 300 Thermal Detector

    The TE Series configuration uses a 400 × 300 thermal detector with a 12 μm pixel pitch.

    This sensor configuration may support:

    • Detailed thermal-image presentation

    • Detection of heat sources without visible light

    • Improved separation between nearby warm objects

    • Better image quality during digital enlargement

    • Compact and lightweight product construction

    • General outdoor thermal observation

    Actual performance depends on detector material, NETD, lens quality, weather, humidity, target size, temperature contrast, and image-processing settings.

    Thermal Sensitivity

    The listed NETD value is approximately 25 mK.

    A lower NETD value generally indicates improved ability to distinguish small temperature differences, which may provide clearer images in:

    • High humidity

    • Fog

    • Light rain

    • Low-contrast thermal scenes

    • Uniform backgrounds

    • Changing outdoor temperatures

    Before publication, confirm the laboratory test method, lens configuration, ambient temperature, and image-processing mode used to obtain the listed value.

    25 mm F1.0 Objective Lens

    The monocular uses a 25 mm thermal objective lens with an F1.0 aperture.

    This lens configuration may provide a balance between:

    • Field of view

    • Base magnification

    • Medium- to long-distance observation

    • Subject visibility

    • Portable device size

    Before publication, confirm:

    • Lens material

    • Fixed or manual focus

    • Minimum focusing distance

    • Lens coating

    • Protective lens cap

    • Base optical magnification

    Field of View

    The listed field of view is approximately:

    • Horizontal: 11.0°

    • Vertical: 8.2°

    This field of view is intended to balance broad-area scanning with more focused long-distance observation.

    The exact field-of-view test method and lens configuration should be verified for the selected TE model.

    Detection Distance

    The TE Series is listed with a thermal detection range of approximately:

    • 1,300 metres

    • 1,400 yards

    These figures are broadly equivalent.

    Before publication, confirm:

    • Target type

    • Target dimensions

    • Detection criteria

    • Recognition distance

    • Identification distance

    • Weather conditions

    • Temperature difference

    • Test methodology

    Detection means noticing a heat source and should not be described as positive recognition or identification.

    AMOLED Display

    The device includes a compact 0.32-inch AMOLED screen with a listed resolution of 800 × 600 pixels.

    An AMOLED display may provide:

    • High contrast

    • Deep black levels

    • Clear thermal palette presentation

    • Reduced motion blur

    • Efficient power consumption

    Before publication, confirm:

    • Brightness levels

    • Contrast adjustment

    • Diopter range

    • Eye relief

    • Display refresh rate

    • Screen timeout

    • Power-saving settings

    Display resolution should not be confused with the native 400 × 300 thermal detector resolution.

    Battery-System Conflict

    The specifications list:

    • Battery included: No

    • Battery type: Built-in battery

    A built-in battery is normally permanently installed inside the device and therefore included with the product.

    Before publication, confirm:

    • Whether the battery is installed at the factory

    • Battery chemistry

    • Battery capacity

    • Nominal voltage

    • Replaceable or non-replaceable design

    • Battery warranty

    • Shipping restrictions

    The “battery not included” field should be removed if the internal battery is installed in the device.

    Operating Time

    The built-in battery provides a listed operating duration of up to approximately six hours.

    Actual runtime may vary according to:

    • Display brightness

    • Digital zoom

    • Recording

    • Wi-Fi usage

    • Image-processing mode

    • Ambient temperature

    • Battery age

    The six-hour claim should be described as approximate rather than guaranteed.

    20W Quick Charging

    The TE Series supports listed 20W quick charging.

    The supplier also claims that approximately ten minutes of charging can provide up to one hour of operation.

    Before publication, confirm:

    • Charging protocol

    • Required charger output

    • USB Type-C support

    • Included charger

    • Included charging cable

    • Charging while operating

    • Full charging duration

    • Battery temperature protection

    Quick-charging performance may vary according to charger compatibility, battery level, temperature, and device use.

    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 TE model

    • Test depth

    • Test duration

    • Required port-cover position

    • Lens and battery sealing

    • Water-damage warranty terms

    IP67 does not mean the monocular is designed for continuous underwater operation.

    Output-Power Specification

    The listing includes a maximum output-power value greater than 0 mW and lower than 1 mW.

    This may refer to:

    • Laser indicator

    • Laser rangefinder

    • Alignment laser

    • Status emitter

    • Incorrect marketplace data

    The supplied description does not confirm any laser feature.

    Remove this specification unless the exact function, wavelength, laser class, and safety certification are documented.

    Multiple TE Series Configurations

    The description states that the TE Series may include different detector resolutions and objective-lens options.

    The supplied configuration is:

    • 400 × 300 thermal resolution

    • 12 μm pixel pitch

    • 25 mm F1.0 lens

    • 11.0° × 8.2° field of view

    Other TE Series models should be published as separate products or clearly separated variants with their own:

    • Model number

    • Detector resolution

    • Lens size

    • Field of view

    • Magnification

    • Detection range

    • Price

    • Product images

    Digital Zoom

    Digital-zoom information is missing.

    Before publication, confirm whether the device supports settings such as:

    • 1x

    • 2x

    • 4x

    • 8x

    • Continuous digital enlargement

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

    Thermal Colour Palettes

    The supplied information does not identify the available image modes.

    Confirm whether the device provides palettes such as:

    • White Hot

    • Black Hot

    • Red Hot

    • Iron Red

    • Rainbow

    • Fusion

    • Target Highlight

    • Outline Mode

    Only verified firmware options should appear on the product page.

    Recording and Storage

    Photo, video, and storage specifications are missing.

    Before publication, confirm:

    • Still-image capture

    • Video recording

    • Photo resolution

    • Video resolution

    • Video frame rate

    • Internal storage capacity

    • Memory-card support

    • File formats

    • Audio recording

    • USB file transfer

    • Date and time stamping

    Do not advertise recording functions unless they are supported by the selected model.

    Wireless Connectivity

    Wi-Fi or mobile application support is not clearly listed.

    Before publication, confirm:

    • Wi-Fi availability

    • Official application name

    • Android compatibility

    • iOS compatibility

    • Live thermal viewing

    • Remote recording

    • File transfer

    • Firmware updates

    • Connection range

    Operating Environment

    The actual operating-temperature range is missing.

    Before publication, confirm:

    • Minimum operating temperature

    • Maximum operating temperature

    • Storage-temperature range

    • Humidity tolerance

    • Condensation protection

    • Drop resistance

    • Vibration resistance

    The fields “minimum temperature: other” and “maximum temperature: other” should not appear in the final customer-facing listing.

    Compact Handheld Design

    The TE Series is described as a pocket-sized thermal monocular.

    Before making compact-size claims, confirm:

    • Exact dimensions

    • Net weight

    • Weight including battery

    • Housing material

    • Grip design

    • Tripod compatibility

    • Carrying-strap attachment

    Suitable Applications

    The GOYOJO TE Series may be suitable for:

    • Wildlife observation

    • Farm monitoring

    • Property inspection

    • Outdoor night-time viewing

    • Camping and exploration

    • Search support

    • Electrical inspection

    • Machinery monitoring

    • Building heat-loss checks

    • General heat-source detection

    Performance depends on target size, thermal contrast, lens focus, weather, distance, and device settings.

    Package Contents

    Confirm whether the standard package includes:

    • GOYOJO TE Series thermal monocular

    • Built-in rechargeable battery

    • USB charging cable

    • Quick-charge power adapter

    • Protective lens cap

    • Eye cup

    • Wrist or neck strap

    • Carrying pouch

    • Cleaning cloth

    • User manual

    Only verified included accessories should appear in the final listing.

    Certification and Warranty

    The product is listed with CE certification.

    Before publication, verify:

    • Certificate number

    • Testing laboratory

    • Exact model coverage

    • Applicable directives

    • Certificate validity

    The warranty duration is not included and should be confirmed separately.

    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 compatible charging equipment. Keep all protective port covers properly closed during outdoor operation and store the device within the manufacturer’s approved environmental conditions.

    Follow all applicable privacy, observation, and local-use regulations.

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