pen type 30m laser distance meter features:1:Large LCD display with backlight2:fast measurement3:easy to carry 4:high precisionpen type 30m laser distance meter specifications:Measuring range0.05~30mMeasuring accuracyTypical 1+-2mmDisplay accuracy1mmLaser classificationClass 2Pollution degree2Laser type620~690nm,<1mw  0.16x0.6 mrad,0.25sArea,volume measuringyesContinuous measuringyesShow beepyesProtection against splashes and dustIP54Temperature range for operation0~40°CTemperature range for storage-20~70°CBattery life5000 MeasurementsBattery selectionLR6(AA)2x1.5vLaser switch-off automaticallyAfter 30 secondsInstrument switch-off automaticallyAfter 3 minutesdimensions118*39*20mmweight70gpen type 30m laser distance meter pictures:Recommendations:best laser distance meter FL-40High Qualtiy Digital Sound MeterMini Pocket Temperature And Humidity Meter