Features:
1. Various Ruler length(600mm, 800mm, 1000mm, 1200mm)
2. 360 degree measure range
3. Extra large LCD
4. Beeper will sound at: 0°, 45°, 90°
5. Readout holding
6. Display always reads upright, no matter which way the level is turned.
7. The laser (purchase optional attachment) can be used for long range position
