*USING ON 15 AMP OR 20 AMP, 120VAC SINGLE PHASE, 3 WIRE RECEPTACLES TO TESTING THE CONDITION OF WIRING *USING TEST BUTTON (RED ONE) TO TRIPS GFCI OUTLET TO INDICATE IT IS OPERATIONAL *DIMENSIONS: 80*42*26MM
*quickly show you the condition of your car`s electrical system *easy-to-read color-coded status lights, magnet-mount *function:11.0V/12.0V/12.5V/13.5V/14.0V/15.0V *Dimensions: 140x65x25mm *weight: 7