1、Digital display angle meter supports easy to read large LCD display with backlight. 2、Angle meter's screen rotates automatically, making it easy to read all directions. 3、With 4 keys, this meter is very simple and intuitive to use, the readings are expressed in the 4 most common units. Keeps the holding function, you will never miss important readings again. 4、The sturdy built-in magnet keeps a secure connection on the iron surface, practical. 5、Only one ordinary AAA battery that not included can be used for operation, economical and easy to replace, and also it is easy to switch between relative and normal angle mode. 1 x Digital Display Angle Meter Item Type: Digital display angle meterAccuracy: ± 0.1°Resolution: 0.1° ( 0.01 and% / in / ft)Measuring Range: 4 x 90°Power Supply: 1 x AAA alkaline battery (Not included)