Including:
*12" Dot and Line Laser Level
Output power: <5mw
Wave length: 650nm
Accuracy of vials: ±0.029º
Accuracy of laser: ±0.5mm/n
Working distances: 20m
*Laser Angle
Output power: <5mw
Wave length: 650nm
Accuracy of laser: ±0.5º
Working distances: 20m(point)
Batteries: 3XLR44

*2-AAA Batteries
*3XLR44 Batteries