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Thermal Clip-On Systems

PART #3092456005TC31

2 reviews | Write a review

Description And features

The AGM Rattler TC35-384 is a compact thermal imaging clip-on system that allows quick transformation of the day optics into thermal imaging device without any special tools or equipment.

The Rattler clip-on is a perfect addition to any hunter's arsenal. Equipped with a 35mm germanium lens and a 384x288 resolution high-sensitivity thermal sensor, this unit has a detection range of 1235 yards. Rattler TC provides a clear image under harsh environmental conditions like darkness, fog, smoke, dust, rain, snow, wood, camouflage, etc. The product is mainly applied to scenarios such as patrolling, hunting, overwatch, etc. The Rattler TC can easily be attached in front of day scopes with magnification up to 8x for medium range use.

This unit also comes packed with all the features that many Rattler users have come to expect, which include: built-in recording and picture capture capabilities, Wi-Fi hotspot, AGM Connect app compatibility for storing and sharing images and videos, 16 GB on-board storage, 4.5 hours of battery life on two CR123 batteries, external power capability through the unit’s USB-C plug and a high-quality American Defense Manufacturing quick detach mount. 

Warning: California's Proposition 65

  • Quick conversion of daytime optics into thermal imaging scope
  • 384×288 thermal resolution, high sensitivity detector (NETD <35mK)
  • Image processing technology: Adaptive AGC, DDE, 3D DNR
  • 748 × 561 resolution 0.39-inch OLED display
  • 8x digital zoom
  • Video recording and snapshot, built-in EMMC (16 GB)
  • Supports distance measurement
  • Adjustable color palettes
  • Wi-Fi data transmission
  • Waterproof, shockproof
  • Up to 4.5 hours continuous working
  • External power supply capability
  • 5-Year warranty

Detector type: 17μm, Uncooled, 50Hz

Refresh rate: 50 Hz

Resolution: 384x288

Package Includes
  • USB Cable
  • Lens Tissue
  • User Manual
  • Carrying Case
  • CR 123 Batteries
  • Day Scope Adapter with Inserts
Export Restrictions:

Product shown herein is subject to US export regulations and may require a license prior to export. Any diversion contrary to US Government regulations is prohibited.


Shock and vibration

750 g/ms

Detector type

17μm, Uncooled, 50Hz

Standby Mode




Detection Range (6' object)




Lens system

35 mm; F/1.0

Field of view (H × X)

10.0° x 8.0°

Digital zoom

2x, 4x, 8x

Imaging palettes

Jungle, Recognition




Built-in EMMC (16 GB)

Video/Photo Format


Battery Type

Two CR123A (3V) Lithium or two RCR123 (up to 4.2V) Rechargeable Batteries



Battery Life (Operating)

Up to 4.5 hr

External power supply


Operating Temperature Range

-20°C to +55°C (-4°F to +131°F)

Degree of Protection



0.42 kg (0.93 lb)

Overall Dimensions

153.2 × 62.5 × 59.2 mm (6.03 × 2.46 × 2.33 in)



Firmware update


Please read the instructions below before updating the firmware.

Check current firmware version of your device, for this go to your device’s main menu to option “Info” or “Version” and check what number you have. Compare the number with the latest version of the firmware on the AGM website.

Download the firmware update package to your PC and unzip it.

NOTE: Do not open the DAV or BIN file on your computer as it may corrupt the file.

  1. Connect the thermal device to your PC with USB cable.
  2. Turn on the thermal device.
  3. Disable the Wi-Fi Hotspot function in the device menu if WiFi is enabled.
  4. Open the detected disk (USB drive) in file manager program. Copy the unzipped .dav file and paste it to the root directory of the device.
  5. Turn off the device.
  6. Turn on the device. After a while, the firmware update process will start automatically. During the update, the screen will display the inscription "Upgrading ...". The update process will be completed when the inscription "Upgrading ..." goes out. Repeat steps 4-6 for each updating file.
  7. Turn off the device and disconnect it from your PC.

If your device does not have a built-in rechargeable battery and is powered by replaceable Lithium batteries, remove the batteries from the battery compartment before connecting the device to your PC, or it may cause computer damage.

If you removed the batteries, please make sure the device is connected to the computer during the update process. Otherwise, the device will shut off and may cause unnecessary upgrade failure, firmware damage, etc.

Please check the latest firmware. Click the FW Version to download the firmware update package.


    Firmware Versions:

    • V5.5.53_230113

      - Fixed an issue when updating firmware on some devices that could result in a solid screen and buttons not working.

      - Support 1-10 levels of brightness and contrast adjustment. 

      - Support m/yard display for distance measurement.

    • V5.5.41_220921

      - FPGA firmware V1.0.7_220423

      - New AGM UI style.

      -  Support 1-10 levels for brightness and contrast adjustment. 

      -  Support m/yard display for distance measurement.

    • V5.5.38_220509

      software changes were made only in the part concerning the riflescope device.

    • V5.5.38_220426

      - Support &quot;Freeze&quot; function during zeroing.

    • V5.5.21_211130

      - Support auto power off function.
      - Added PIP quick start button: Press MODE button.

    • V5.4.26_210827

      - Repacked firmware. All the features keep the same.

    • V5.4.26_210604

      - Menu is shifted to the center of the screen to avoid the block from day scope.
      - The indicator icons (battery, network, zoom) are shifted to the center of screen to avoid the block from day scope.
      - FPGA firmware_V1.0.1_210309

    • V5.4.26_210508

      - Hints on the buttons action at the bottom of the screen are disabled.
      - New feature "Image Calibration" is added.
      - There is no digital zoom, reticle and trajectory function any more under clip-on mode.

    • V5.4.26_210415

      - The scope or clip-on device type is automatically detected to install the corresponding software version.
      - Boresighting, Color, Trajectory functions are disabled in clip-on mode.
      - Image Calibration function is added.

    • V5.4.26_210331

      - The image quality has been improved.

    • V5.4.26_201120

      - Repacked firmware. All the features keep the same.

    • V5.4.26_201110

      - Basic version.
      - Boresighting function in menu is enabled.

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Reviews Over AGM RATTLER TC35-384

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