The Fuzion LRF handheld thermal optical dual-spectrum monocular is equipped with a 12μm high- sensitivity thermal detector an ultra-low light optical detector 1024×768 OLED display and eyepiece a wide FOV eyepiece. The monocular offers three different image variants: thermal visible light and fusion that can be easily adapted depending on different environmental conditions. The device can quickly detect hiding objects even under extreme environments such as smoke fog rain snow etc. This high-tech monocular is equipped with a laser rangefinder for measurement of target distance. It can be widely applied to scenarios including patrol search-and rescue drug enforcement etc. The waterproof housing ensures optimal performance in severe weather conditions and challenging environments.