CMT DAG-001 Digital Angle Gauge Provides digital readings between 180 with a resolution of 0,1 and auto shut off after 5 minutes. Easy-to-read LED display. Incorporates magnets in the base for adhesion to any ferrous surface for accurate measurements. Battery voltage/type 3V/L lithium, resolution 0.1. Size: 2 x 2 x 1-1/4-Inch.