The Clapper Light Switch Device
The sound activated on/off switch. With clap detection lights. 2 Claps turn on the lamp. 3 Claps turn on the TV. The Clapper can control one or two
The Clapper (Original) Sound Activated on/off Switch Clap Detection Lights 0.64 lb
Make Clap
Off Switch
Let's Make a Clap Switch Circuit : 5 Steps - Instructables
THE CLAPPER! CLAP On Clap Off! ~110V Remote Controller! Plug in Adapter 1992 $13.99 - PicClick
The Clapper history: How its patents found their way into smart home technology.
THE CLAPPER Sound Activated ON OFF Switch User Manual
The Clapper Sound Activated On/Off Clap Switch Factory Sealed Brand New Model