ALKALINE BATTERY-OPERATED MULTI-DETECTOR
For testing before drilling, sawing etc in walls, ceilings and floors. Detects ferrous metals (eg reinforced steel), non-ferrous metals (eg copper pipes) and 'live' wires*.
* Make sure you are properly earthed when taking measurements, eg by wearing insulating footwear or by standing on a ladder, or it will not be possible to locate live cables.
Instructions included
3 x AAA batteries