Measuring range: 0.5 ~ 16m (1.64 ~ 52.48 feet)
Accuracy: +/-0.4 within 6m (20 feet) and +/-0.8 above 6m
Conditions: 0 ~ 40ºC, 45% ~ 90%RH
Power supply: 9V battery
Current consumption: Stand-by current:<=2 Ua; Operating current:20~50mA
Auto shut-off: 120 seconds
Size (H x W x D): 154mm x 61mm x 46mm
9V battery, gift box with carrying case.