Junterone High Performance Microprocessor Mobile Phone APP Remote Switch Module forSmart Home

Reserved: UART debugging interface and MCU program download interface Additional Function: Can be used as a USB relay when ESP-01 is unplugged Transmission Distance:When the WIFI module and mobile phone are mounted on the router at the same time, the transmission distance depends on the strength of the router 2 Working Modes:The mobile phone is directly mounted on the WIFl module; the mobile phone and the WIFI module are both mounted on the router 4 Channel Relay Module:4 Channel WiFi Wireless Relay Module Smart Home Phone APP Remote Switch Module ESP8266