Receiving frequency: 10KHz
Detectable spectrum: 635 ± 10nm (red)/520 ± 10nm (green)
Weight contain battery: 180g
Physical dimensions (L * W * H): 140 * 68 * 26mm
Reception window height: 52mm
Accuracy(Fine):《2mm @ 10m
Accuracy(Coarse):《3mm @ 10m
Working range: 2-50m
Battery: 2 * 1.5V AA batteries
Automatic shutoff: 10 minutes
Operating temperature: -10 ℃ to 50 ℃