1. High-precision one-piece molding process, polishing and sandblasting, comfortable hand feeling. 2. Powerful, you can test words, you can test multiple times, and you can test angles. 3. Small and lightweight, with a weight of 24g, there is no burden on the hand. 4. High measurement accuracy, durable and strong battery life. 5. It has a wide range of applications. You can think of it and use it whenever you need to measure, such as house decoration measurement, infrastructure measurement, etc. Measurement accuracy: ±(2.0mm+5x D ) Range: 0.03~50m optional Measurement datum: front/rear datum Measurement unit: m/ft/in Laser type: Class2, 630~670nm, Less than 1mW Working temperature: 0℃ ~40℃ Battery type: 3.7V 250mAh polymer lithium battery (built-in lithium battery shipped) Charging interface: Micro-USB Number of buttons: 3 Function description: continuous measurement, area, volume, Pythagorean measurement Colour:grey Material:aluminum alloy Package Contents: 1 x Mini Laser Rangefinder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.