Catalog > Consumer Electronics > Kits > Velleman Kits Clap ON/OFF Switch Clap ON/OFF Switch VELLEMAN MK139 Clap ON/OFF Switch - Operate Your Lighting Simply By Clapping Your Hands 359.10 ZAR inc for 1 Each 6 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Operate your lighting simply by clapping your hands Ideal For disabled or elderly people Good immunity against surrounding noises "1-clap" or "2-clap"-mode selection "2-clap"-mode features built-in safety turn-off timer (approx. 5h) Output relay "pulse" or "toggle"" selection Microprocessor-controlled Output relay with LED indicator Specifications Relay Power rating : 24VDC/AC 3A Power Supply : 12VDC / 150mA With DC Adapter Socket Dimensions : 79 x 73 x 22mm / 3.1 x 2.9 x 0.9"