Fangrui Product Details New Esp8266 5v,smart Home Smart Socket Wifi Relay Module Things App Remote Control For Apple Xiaomi Smart Phone Ect,via Esp-01 New Esp8266 5v,smart Home Smart Socket Wifi Relay Module Things App Remote Control For Apple Xiaomi Smart Phone Ect,via Esp-01 New Esp8266 5v,smart Home Wifi Relay Module Things App Remote Control For Apple Xiaomi Smart Phone,via Esp-01 Description: This Wifi Relay Based On Ai-thinker Esp-01s Wifi Module. It Is Designed For Smart Home, Internet Of Thing And Other Diy Project. With This Smart Relay, You Will Easy To Diy Your Smart Switch To Control Any Device By Your Phone Anywhere. Specification: Product Size: 37 * 25mm Operating Voltage: Dc5v Communication: Wifi (esp8266 Module) Transmission Distance: The Maximum Transmission Distance Of 400m (open Environment, Mobile Phone Equipped With Wifi Module) Load: 10a/250vac 10a/30vdc, The Relay Pull 100,000 Times Specifications: Package Included: 1*relay Module 1*esp-01s