WIRELESS WALL SWITCH: Simplify your life with the easy to use smart home wall switch. No more fumbling through the darkness looking for your light switch. Each package contains 1 Clapper switch. SOUND ACTIVATION: Lights On! Lights Off! Control your kitchen and bedroom lighting with the simple clap of your hands. Now that’s easy! CLAP ON: Two claps turn on the light and 3 claps turns on the night light and plays movie quotes US-TYPE OUTLET: Each electrical switch is fit for a standard US 120 Volt outlet.