Features:
1) Measuring range: 0.4 - 18m
2) Accuracy: ?(0.5% + 1 digit) in still air
3) Resolution: 0.01m
4) Battery: 23A (12V)
5) Operating temperature: 0 - +50oC
6) Storage temperature: -10 - +60oC
7) Dimension: 7.5 x 7.2 x 3.3cm
8) Weight: about 70g
9) Measurements: m / cm, feet / inch
10) Easily measures the height of a ceiling
11) Conveniently measures fully furnished rooms