Min. Order Reference FOB Price
100 Pieces US$4.98 - 5.60 / Piece
Product Description
ESP8266 4CH 5V WiFi Relay Module Smart Home Mobile APP Remote Control Switch I. Overview The 5V ESP8266 four-way WIFI relay module uses the ESP-01 as a WIFI module, with a mature and stable 8-bit MCU chip. It can realize the wireless control of the 4-way relay using the mobile phone ...