Multiple measurement methods: Laser Distance Measure supports the following measurements: single distance measurement, continuous measurement, area measurement, volume measurement, auto height measurement, auto level measurement and 3 Pythagorean measurement. Compared with single angle measurement and traditional , Dual Angle Measurement can measure the front and back, left and right angles more conveniently and accurately.The tool can measure from three different reference points (the front, the middle and the rear of the device), making it easy to measure in different scenarios. Manually delete unwanted dataChange unit among M/In/Ft freely according to your needs. The default unit is meter.Users can use the addition and subtraction function when measuring the length, area and volume. TRIPLE POWER METHODS: This laser measure employed the included rechargeable 2 AA NiMH battery. And it can also be used with 2 AA alkaline batteries(not included). In addition, this laser distance meter can be used at with direct input charging even if taking out the batteries. Laser Class:Class 2 (IEC/EN60825-1/2014), Less than 1mW power output Special Features:Dual Angle Measurement Laser Wavelength:505nm-520nm Green Beam Power source:2 NiMH batteries Measuring accuracy:1/16 inch(2mm) Measuring units:M/In/Ft Angle range:90 Charging Port:Type-C Working range: 328Ft/100M Automatically cut off laser:30s Working Distance:20m, 40m with detector Automatic shutdown: Max storage:30 units Mount Size:1/4 inch-20 Charging Port:TYPE-C Charging This laser measure is designed to be used on a dim lighted area or indoor job sites. To use it outdoors, make sure that it is not in direct sunlight. Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color please don't mind. Material: ABS colour: black+green Package Contents: 1 x afstandsmeter 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.