Greenbrook Kingshield Mechanical Socket Box Timer with analogue clock face and minute hand indicator is ideal for most heating applications. Fits directly to any 35mm deep socket box fitted with an earth terminal. Provided with 1 year warranty. 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 with minute hand indicator · · 1 year warranty