Suitable for non-contact AC voltage tests, earthing / ground connection checks, proper connection check, broken wire detection. High sensitivity tester, offering an extensive non-contact voltage detection range of 70-1000v AC. Bright red LED illumination and audible alarm on detection of AC voltage. Installation category CAT IV 1000v offers protection against transient voltage spikes for the safe testing of fixed installations. Double insulated to ensure safe use near live circuitry. Ergonomic dual component body constructed with handy pocket clip. On/Off button for longer battery life. Uses 2 x 1.5v AAA batteries (Not supplied)