Digital Angle Finder Protractor,Measuring angle 0-200, length 180mm, Measure angle with accuracy of 0.5, delicate design and Modern Appearance.This digital angle finder protractor is a good choice for family DIY projects, woodworking, decoration, machining. Digital protractor, The thickened and widened ruler body is made of super-strength nylon glass fiber engineering material, which has good rigidity, wear resistance, no deformation, no rowing, light and durable. This protractor angle finder designed with full screen large LCD display, easy operation with only three press-buttons, easy to measure and easy to read. CR2032 3V lithium battery power supply, large capacity standby with automatic power-off function, This digital goniometer can work more than 2000 hours, saving power consumption and extending battery life. Horizontal and Vertical Bubble Level,This digital angle finder also can be used like a spirit level, helping you to check and calibrate (NOTE: It is NOT a digital level. Will not display a number on LCD, just only assist you to judge If It Is Horizontal / Vertical or Not)