The durable tip allows for easy checking of power outlets.The 2202-20 is also designed with a green "Power On" indicator light so you know The voltage detector is working properly before use. The 2202-20 can detect between 50 and 1000V AC and has an industry leading safety rating of CAT IV 1000V..
.Connect the metal probe to the alligator clip and either touch the probe to the ground post on the charger or insert it into the ground. This is a good digital meter used to test the voltage on an electric fence.