[APP Control]Just tap on tuya smart life App to turn on a light anytime and anywhere. [Timer & Schedule]Set up timing schedules to save the trouble of overcooking the dish [Hands-free Voice Control]Compatible with for Alexa & Google Home, the smart switch allows you to control lights on/off with your voice [Share Control]Share control of your home appliances to your family or friends so that they can also control the devices remotely [3 Working Modes]Self-locking, interlock and inching mode [Make Your Garage Door Smart] Note before Order, please test compatibility Please check if your garage controller is compatible with our module. You can use the pliers to short-circuit the wall button terminal on the opener. If the garage door opens or closes, it can work with our smart controller. Material:plastic colour:White Package Contents: 4 x 1CH RF Smart Switch