Overview: The 433MHz wireless RF Remote control transmitter can support all products with 433Mhz RF function Switch. 1CH 2CH 4CH TUYA Smart life RF Switch .Or other switches that support 433mhz learning code. After successfully learning codes with 433MHz RF Remote, the push button wall switch can be turned on/off indoors. It can make your life smarter and more convenient! Features: *Mechanical Life 100,000 times of operation. Excellent quality with long lifespan. Upgrade your home to an elegant smart home, control anywhere, anytime! *You can stick or screw it to your original 86 box on the wall or near staircase, bedside or doorway. *Power Supplied by alkaline battery, providing with stable and powerful power supply.(not included) * can be installed anywhere you like. Easy installation and use. Specifications: Channel: 1 CH 2ch 4ch Encode: EV1527 Frequency: 433.92 433mhz Remote Control Distance:0-100m Use Application: Staircase / Bedside / Doorway, etc. Power Supply: 12V 27A battery (not included) Current: 20~25mA Product Size: Approx. 86* 86 * 32 (mm) Package Contains: 1 X Wall Switch 1 X 3M Sticker