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