Features :- Shift between metric has system and English unit- Conversion of distance measuring baseline- Having calculating capacity and can compute area and volume- Indicating low voltage- Having laser indicator- Able to measured temperatureTechnical parameter- Measurement range: 0.45m˜18m- Accuracy: ±(1CM + 0.5% x distance)- Power supply: 9 battery- Temperature compension: 0oC ˜38oC- Resolution: 1cm- Power 0.02W