360 degree complete measument; LCD display turn over automatically, convenient for reading; Precise aluminum alloy measurement structure; Recalibration without any special tools and devices; Multi-purpose measuring tool, Protractor, 3-in-1 inclinometer and spirit level; 1 x 3V battery continuous usage 3000 hours
Technical specification:
Range: 4 x 90° (0~360°); Working temperature: +5'C~+40'C; Working humidity: = 85%RH; Display resolution: 0.1'; Accuracy: 0' and 90' = 0.1'