Sonoff® Usb 5v Or Ac 55v-220v Four Channel Jog Inching Wifi Wireless Smart Switch Socket App Remote Control With Case

Description: Android APP: E-WeLink-2.1.13.apk Support apple cellphone also, you can search "" in App store to setup it; Support apple cellphone also, you can search "e-welink" in App store to setup it for English version; WIFi control model, no need to program. No matter where you are, you only need to download a APP to connect the wifi and control the cloud. Two working voltage: USB 5V Or AC 55V ~ 250V The easiest way to control the rolling door via cellphone: Weld two lines at two sides of each button of the controller, and in parallel to the NO and Public (like the picture) Ways: Inching: Press Button A to open the relay, it would be cut off after o.7 seconds. The other is the same. Self-Locking: Press A to open the relay, then A again to switch off. The other is the same. Interlock: Press A to open the relay, then press B to cut off the A, B open. (It could only keep one relay on among A, B, C, D button) Package included: 1 x Four Channel Jog Inching WIFI Wireless Smart Switch 1 x Case