Name: Mini Infrared RangefinderRange: 0.15-30mMeasurement Accuracy: 2mmMeasurement Unit: m/in/ftLaser Type: 635 nm 1mWAuto-off laser time: 30 secondsAuto-off time (no operation): 120 secondsProduct size: 28x70x18mmWeight: 30gStorage temperature: -10~60CWorking temperature: 0~40CBattery: 200mAh rechargeable batterySpecifications: 1. Accurate one-hand measurement, laser range, 2mm error, digital display can be accurate to 0.001m2. Fashionable and compact for measuring anywhere, mini and compact, convenient to carry out, exquisite ergonomics and compact3. Built-in lithium battery 200mAh USB direct charge Large capacity battery design, power is more durable4. Three kinds of units can be switched at will, support metric and English unit switching to meet various needs