Used to measure angles on metal and other surfaces.
Absolute and relative measurements.
Accuracy: 0º and 90º: ±0.1º, Other angles: ±0.2º
Resolution: 0.1º
Working range: 4 x 90º
Working Temperature: 0 ºC to 50 ºC
Working Humidity: ≤ 85%
Power Supply: 1 x 1.5V AAA alkaline battery