Features Excellent ABS Shell: This level angle gauge is made of excellent ABS material for the shell, which is sturdy and durable and has a long service life. Electronic Digital Display: This level angle gauge uses an electronic digital LED HD display for clarity and easy, fast readings. Powerful Magnetic Force: The bottom of this level protractor is magnetically strong and can be firmly suctioned to metal surfaces for more accurate measurements. Compact And Convenient: This level angle gauge is small in size and light in weight, it is very convenient to carry it out for work, and does not take up much space. Easy To Operate: There are four buttons on this level angle gauge, which corresponds to the function clearly and is very easy to operate. Specification: Item Type: Digital Angle Finder Gauge Material: ABS Measuring Range: 4 x 90° Resolution: 0.1° Working Humidity: 40%-80% Power Supply: AAA x 2 ( Shipped Without Batteries ) Working Temperature: 0-40℃ Reference Point: Horizontal Plane Package List:1 x Digital Angle Finder Gauge1 x Manual Package List 1 x Digital Angle Finder Gauge 1 x Manual