This handheld rangefinder uses a compact light source design and an optical confocal system for viewing and receiving. It also has a built-in transmissive OLED display, electronic cross division, ranging distance information, battery power, and operating frequency and other information. In addition, it can be equipped with Beidou Navigation Satellite System or infrared television images, etc .; It is very suitable for applications such as single soldier carrying. In addition, this rangefinder offers an OEM version with a smaller size that can be integrated into devices such as photoelectric pods.