Laser wavelength:660nm(red laser)
                 515nm(green laser)
Accuracy(H/V):Max +/- 4.5mm/3m
Laser class:Class 2
Working temperature: -10~50℃
Storage temperature range: -20~70℃
Beam Emission Angle:110°
Power:Build-in lithium battery 500mAh
Working time:7 hours(red laser)
             6 hours(green laser)