18.8 cm, 7.4 in
0.458 lb, 241 g, 8.5 oz
RT310 is an electrical tester that tests the wiring condition at an electrical outlet, and inspects and checks AFCI and GFCI devices. It is designed for use with North American 120V electrical outlets. It can detect and identify common wiring faults. Includes 3 x 1.5V AAA alkaline batteries.