Battery test switch (2 battery). 3 1/4″ W x 2 1/2″ H Like new condition 50 amp dial marked in 2 amp increments Simple 2-wire connection Meter senses and powers from coil slipped over wire to be measured Includes current transformer Accuracy 3% of scale Meter operating amperage 60 milliamperes AC FunFish Marine Rental Supplies & Services Marine & Other Consignment 2075 Tryon Road North Saanich, BC (@ Westport Marina) 250.883.8448