Tuya Smart Self-Powered Wireless Switch WiFi No Battery Required Energy Harvesting Kinetic Light Switch Works with Alexa Google

Note:1. Our product needs to be used with a receiver, unless you have previously purchased our product and need to purchase additional accessories, otherwise purchasing a transmitter or receiver separately will not work.2. Our product uses RF433 communication, but it cannot be mixed with other RF433 products because in addition to frequency, it also needs to meet the requirements of decoding and coding speed.3.Wireless control does not require a power supply and can be used outdoors or in humid environments. Pressing to generate electricity does not pose a risk of electric shock4.Cut off all power before installing the receiver.5. Cannot be installed inside a metal box as metal will shield signals and cannot be used.