ARTBULL Handheld Infrared Laser Distance Meter Electronic Ruler, 50m

1. Single measurement time: 0.5 seconds
2. Laser automatic shutdown: 30 seconds
3. Instrument automatic shutdown: 120 seconds
4. Historical data record: 20 groups
5. Measuring range: 50m: 0.05m~50m
6. Measurement accuracy (standard deviation): 2.0mm
7. Distance unit: m, ft, in
8. Laser type: 620-690nm
9. Laser level: class Il.<1mw
10. Battery type: AA 2 x 1.5V (not included)
11. Function: length measurement, area measurement, volume measurement, Pythagorean height measurement, Pythagorean theorem height difference measurement
12. Weight: 150g
13. Size: 115x45x28mm