Works with Alexa Google Home Nest IFTTT. 4-channel Wi-Fi smart switch, controls 4 devices individually, with low power input, easy to power with phone charger and micro USB cable. Easily share function, share control with other eWelink accounts, invite family to enjoy free remote control, free app (invitations need to download and log in their eWelink), Android and iOS can search ewelink and download, save and control your home appliances. Three working modes: can be used to open garage doors and other home appliances. Self-locking lock. It allows you to manually switch between 3 models: strike, self-locking and locking. Each switch supports connecting 4 home appliances or electrical appliances. Real-time and status monitor Intelligent scene: trigger on/off based on temperature, humidity or others environmental conditions, supports 8 groups timing function and sharing control with family. Size: about 69mm(L) x 68mm(W) x 19mm(H).< /p> The color green Quantity: 1 piece