Angle Level with Pointer

Reversible Angle Level with Pointer 
360 Degree Green LED backlit pointer scale 
Measure accuracy : plus/minus 1.0 degree. 
Horizontal and Vertical Vials. 
Low battery detect : 3.0V with audible low battery warning. 
Automatic power off - 3 minutes. 
Supplied with 3 AAA1.5V batteries.