Voltage 240vac, 2kv, 6kv, 11kv, 22kv, 33kv, 132kv, And 275kvdimension 15 x Fifteen inches wide by eight inches tall cmpower supply 3 x 1. 5vusage/application industrialsealed by 0 rings, 8 voltage settings 240vac, 2kv, 6kv, 11kv, 22kv, 33kv, 132kv, And 275kvhigh bright leds visual indication, Sound indication, Easy, To, Proov method, Self, Test selection. Use 3 x 1. 5v high impact, C batteries nylon casing, Non, Contact work suitable for, By proximity a wide range of link sticks. Light weight, Robust, & compact, Suitable suitable for inside and detect low, Outdoor use voltage on any systems, Easy access to batteries. No special parts needed, Simple and efficient to use.