This device is a recessed magnetic reed switch operating at 12VDC.
Termination: 24 AWG wire leads 11 inch long.
Current rating: 0.2A-12VDC
Circuit: Normally closed within 1/2" of magnet.
Dimensions: OD 6/16" x 9/16" length
Recommended mounting hole: 3/8"
Note: Mount flush with surface, glue in place with adhesive.