Laser Meter

Measuring range: 0.15m--30m
Measuring accuracy: ±2mm
Smallest unit dislayed:1mm,
Laser parameter:635nm,¨Q1mw Laser class: 2                              Automatic switch off:laser:20 seconds,measuring tool:5minutes, Estimated battery life(use alkaline AAA battery):Up to 500 singel measurements,
Battery:2*1.5V                     
Weight: 80g(not include battery)