Greenbrook Kingshield Mechanical Socket Box Timer with analogue clock face is ideal for most heating applications. Provided with 1 year warranty. Will fit directly to any 35mm deep socket box fitted with an earth terminal. Fits a 35mm dual appliance socket box should you require the timer next to a fused spur or socket outlet. · · · Ideal for most heating applications · · Timer ON status indicator · · Fits directly to any 35mm deep socket box fitted with an earth terminal · · Analogue clock face · · 1 year warranty