The Asp-Micro handheld observational thermal monocular is equipped with a 160x;120 infrared detector and a 720x;540 LCOS display. It supports functions of observation, highest temperature target tracking, distance measurement, Wi-Fi hotspot, 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, antismuggling, criminal seizing, hiking, travel, and hunting, etc. FUNCTIONS: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.Mode Switch:Device supports pallet switch and distance measurement.Storage:Built-in memory module supports video recording/snapshot capturing.Digital Zoom:Device supports 1x;, 2x;, and 4x; digital zoom.Wi-Fi Hotspot:Device can capture snapshots, record videos, and set parameters via APP after being connected to your phone. Warning: California&';s Proposition 65 160x;120 resolution, high sensitivity detector Adaptive AGC, DDE, 3D DNR 720x;540 resolution LCOS display Built-in rechargeable Lithium battery More than 7 hours continuous running (with Wi-Fi hotspot function off) Wi-Fi hotspot Type-C interface Limited 3-year warranty