Digital Level Angle Gauge Angle Finder Protractor Inclinometer Level Box Aluminum Framework with Magnet Rotatable Backlit Display REF ABS Mode Auto-off for Carpentry Building Automation

Features:
Measuring Range: 4 * 90; Accuracy: 0.2; Unit: , mm/m, %, in/ft.
Built-in magnets on 2 sides to secure the attachment to any iron surface.
Easy-to-read digital rotatable display with backlight for quick viewing.
With HOLD function to freeze the measurements, easy to check and record the data.
Auto shut-off after 5 minutes without operation, energy-saving.
Built-in 300mAh lithium battery, flexible to charge, more convenient to use.