Details
The Official Clapper Plus Sound Activated On/Off Switch, 1 Each

Turn on or off your appliances with a remote control or by clapping your hands.
Clap or use the remote control to turn on or off
Turn on or off up to 2 different appliances with a remote control or by clapping your hands.
Adjust for softer or louder claps
The original sound activated switch is now even more easy to use and more convenient. Now with RF Technology for Silent, Wireless activation! You can still clap your hands and turn your appliances on or off, but now with RF technology. You can also press a button and your lights will effortlessly turn on or off!