■Features
1. Built-in magnet
2. Auto digit inversion
3. V-groove base
4. 0/90°beeper function0/45/90°
5. Hold function
6. Self-calibration
7. 0 setting (relative measurement)

■Features
1. Compact body with visible display
2. Water and dust resistance IP54
3. High accurate 360° measuring
4. 3 units: °，%，mm/m
5. Auto-reverse LED display
6. Data hold, zero setting, self calibration
7. 0/90° beeper function
8. V-groove and built-in magnets on the base
9. Auto power off after 3 minutes of no operation

■Features
1. High accurate 360° measuring
2. Digital direct reading
3. Auto-reverse LED display
4. 3D Digital Circular Level
5. Angle and slope simultaneous display
6. 0/45/90° beeper function
7. Blue backlight of tube vials
8. 0 set function