LIAIKI Digital LCD Inclinometer (° degrees / % / mm/m / IN/FT) IP42 Waterproof with Magnetic V-Groove Base, Alarm Function, Battery Operated for Automotive Maintenance and Woodworking

【Digital Angle Protractor for Precise Angle Measurements】For calculating helix angles/miter saw cones/automotive testing and repairs. It's not only useful for woodworking projects, but it can also be used for many other household tasks. It's helpful for hanging pictures on the wall, finding a flat spot while camping, and placing decorative bricks in the garden.

【Magnetic V-Groove Base】The digital angle protractor has a magnetic base with a V-groove, so you can quickly and easily attach it to a table saw, band saw, metal bars, and even round pipes.

【Large LCD Screen】LED "backlight" technology for maximum display - The screen size is 5 x 2.5 cm - It is easier and clearer to read values even at night. In addition, the LCD screen displays a low battery.

【Audible Alarm Display】The buzzer alerts you when it is in a horizontal or vertical position.

【Lock and Auto Shut-Off Functions】The lock and hold functions allow for precise measurement of absolute and relative angles, inclines, and slopes on any imaginable surface; the Digital Level Box is powered by 2 AAA batteries (included) and automatically shuts off after 3 minutes of inactivity.