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 , with a weight of 24g, there is no burden on the hand.4. High measurement accuracy, 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 optionalMeasurement datum: front/rear datumMeasurement unit: m/ft/inLaser type: Class2, 630~670nm, Less than 1mWWorking temperature: 0 ~40Battery type: 3.7V 250mAh polymer lithium battery (built-in lithium battery shipped)Charging interface: Micro-USBNumber of buttons: 3Function description: continuous measurement, area, volume, Pythagorean measurementColour:greyMaterial:aluminum alloyPackage Contents:1 x Mini Laser RangefinderOnly 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.