The Asp TM-384 handheld observational thermal monocular is equipped with a 384 × 288 infrared detector and a 1024×768 OLED display. It supports functions of observation, hot spot tracking, distance measurement, Wi-Fi hot spot, and so on. The high-sensitivity built-in thermal detector provides you with clear view even in total darkness. The monocular is mainly applied to scenarios such as patrolling, law enforcement, searching and rescuing, drug enforcement, anti-smuggling, criminal seizing, hiking, travel, and hunting, etc.


Distance Measurement: The device realizes distance measurement function after marking the top and bottom of target, and input the target height.
Hot Spot Mark: The device detects and marks the hot spot of highest temperature.
Wi-Fi & Hot Spot: Device can capture snapshots, record videos, and set parameters via APP after being connected to your phone.
Mode Switch: Device supports pallet switch and distance measurement.
Storage: Built-in memory module supports video recording/snapshot capturing.
Digital Zoom: Device supports 1×, 2x and 4× digital zoom.



  • 384 × 288 resolution, high sensitivity Vox detector
  • Adaptive AGC, DDE, 3D DNR, NETD less than 35 mk (@25°C), F#=1.0
  • 1024 × 768 resolution 0.39-inch OLED display
  • Built-in rechargeable Li-ion battery
  • Up to five hours continuous running (with Wi-Fi hot spot function off)
  • Wi-Fi hot spot
  • 3-Year Warranty




    USB Cable | Lanyard | Protective Bag | User Manual | Lens Tissue | Packing Box | EU Plug



Detector Type Vanadium Oxide Uncooled Focal Plane Arrays
Resolution 384 × 288
Refresh Rate 50 Hz
Diopter Adjustement -5 to +3 dpt
Detector Pitch 17μm
Response Wavelength 8μm to 14μm
NETD < 35mk (@25°C, F#=1.0)
Lens Focal Length 35mm
Field of View 10.7° × 8°
F-number 1.0
Optical Magnification 2.4x
Digital Zoom 1x, 2x, 4x
FFC (Flat Field Correction) Auto, Manual, External Correction
Palettes Black hot, White hot, Red hot, Fusion
Monitor 0.39-inch, OLED, 1024 × 768
Hot Track Yes
Storage Built-in memory module (16GB)
Record Video Support on-board video recording
Capture Snapshot Yes
Wi-Fi Yes, Hotspot
Battery Built-in rechargeable Lithium battery
Battery Operating Time Up to 5 hours continuous running
Battery Capacity Display Yes
Working Temperature -30°C to 55°C (-22°F to 131°F)
Protection Level IP67
Dimensions 202 × 74 × 66 mm (7.9 × 2.9 × 2.6 in)
Weight 480 g (16.9 oz)
Recognition Range (Vehicles: 1.4×4.0m) - 789m (Humans: 1.8×0.5m) - 257m
Detection Range (Vehicles: 1.4×4.0m) - 3157m (Humans: 1.8×0.5m) - 1029m
Identification Range (Vehicles: 1.4×4.0m) - 395m (Humans: 1.8×0.5m) - 129m