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 thats easy *MULTIPLE APPLIANCES: Can be programmed to two different appliances. Just clap two times for appliance A and three times for appliance B. Repeat to shut off. *HOME/AWAY SETTING: Adjust for softer or louder claps. In AWAY setting, connected appliances will turn on with the detection of any sound. *US-TYPE OUTLET: Each electrical switch is fit for a standard US 110 Volt outlet. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 77 hours Hope you have a pleasant shopping experience!