The Milwaukee voltage detector with LED is used for residential, commercial and industrial applications. The 2202-20 can detect between 50 and 1000 V AC and has an industry leading safety rating of cat IV 1000 V. with a built in bright LED work light, the 2202-20 is two tools in one. 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. Features & Benefits ▪ CAT IV 1000V safety rating is safe for all applications including industrial applications ▪ Easy to use rear push button design ▪ Extra bright LED work light makes working in dark areas easier than ever ▪ Green Power On indicator light tells you the voltage detector is working properly before use ▪ Industry leading non-contact voltage detection technology ▪ Pocket clip allows for easy storage and retrieval from pocket ▪ Machine washable sweat band, helmet liner and chin strap