Item Type: Intelligent Wireless Remote Control Socket_x000D_Model: TS 831_x000D_Material: ABS_x000D_Plug: US Plug 120V_x000D_Signal Frequency: 433.92MHz_x000D_Maximum Withstand Power: 1200W_x000D_Remote Control Battery: 1 x L1028 alkaline batteries (shipped without batteries) 1No Interference with Other Devices: RF receivers and transmitters work through doors and wall and do not interfere with other electronic devices. The signal works within a 20 meter line of sight. 2One Hand in Control: With the option to pair multiple remote outlets together, you can expand your system so that all the devices in your home are accessible in the palm of your hand. 3Professional Craftsmanship: Made of durable ABS material, it can withstand the effects of bad environmental and weather conditions for long life and professional craftsmanship for consistent performance. 4Energy Saving: The outlet will stay off after power failure to save energy, save money on living or working, and defend your devices. 5Scope of Application: Turn on and off your devices using the remote control or the outlet itself. Suitable for almost all electronic devices, including lights, heaters, sound systems, holiday decorations and charging devices.3 x Socket 1 x RemoteControl 1 x InstructionManual