Large measuring range: Neon lights display voltage from 2kv -12kv, and ordinary strobe lights have a long service life of 20,000 times. No need to add batteries The sturdy ABS shell can withstand cold climates but is not waterproof. Just stick the copper probe into the ground and let the top hook touch the wire or tape. It show the reading range of the voltage., Weight: 0.17196056436 Pounds, Manufacturer: Pomoflexi