USB 5 V or DC 7 V V JOG inching Self de DIY Four Channel Locking WiFi Wireless Smart Home Switch adnroid de APP: welink electrónico 2.1.13. APK Support iOS Cellphone, por tanto, you can 'search "E de welink en App Store to setup it for English version; WiFi Control Model, no need to Program. no Matter WHERE you are, you only need to descargar a APP To Connect The WiFi and control the cloud. Características: Two working Voltage: USB 5 V y la instrucción DC 7 V señal de v with light and relay de pull on Instruction Light Power < 1 W, and quiescent current: 80mA Cut over current < 10 A, Cut over Voltage < 250 V 10 A Relay Model the Life of Relay Model is more than 1.000.000 aislamiento resistencia: 100 m<br/> Máx de pull on time: 15 ms máx Release Time: 5 ms working temperature: -40 to 70degree working humidity: 40% to 80% RH function: 1 default inching function: Press the open Relay by Mobile Phone, then Cut Off The Pull On immediately (default One Second), it has the temporización de Share function at the same Time. Botón de bloqueo when Press the inching and Locking Self with the Light On Press de Open Relay to pull on, press Close Relay to cut off. here is the reference: 5 V One Channel Jog inching Self de Locking WiFi Wireless Smart Home Switch know more about This product, please Click: http://www.raspberrypiwiki.com/index.php/7 V_to_32 V-4_jog_switch Package included: 1 x Jog inching Self de Locking WiFi Wireless Smart Home Switch