Able to locate concealed metal objects within wallsthis DIY must have will pick out pipes nails & cables Its then been pimped up to include a laser & spirit level so youll be able to project perfectly straight lines onto any wall or surface Locates concealed & breaks in AC power cables metal objects like pipes nails screws & cables Incorporates a Laser Level & Spirit Level & a white-light LED Torch Tests Light Bulbs including fluorescent & incandescent bulbstubes Tests Cartridge Fuses Capacitors & Heating Elements Checks polarity on two cable no earth AC appliances Incorporates a self-test battery check for added safety & piece of mind You dont need to be bob the builder to enjoy this awesome tool its easy to use & is compact so itll fit perfectly into any tool boxnbsp