Module with relay SRD-05 10A / 250VAC or 10A / 30VDC. It also has an ESP8266 module that allows you to control the device via Wi-Fi. Specification: - System supply voltage: 5 V - Relay SRD-03VDC-SL-C - Coil voltage: 3V - Maximum contact voltage: 250 VAC, 125 VDC * - Maximum current: 10 A - WiFi module: ESP8266 - Supports WiFi 802.11 b, g, n WiFi standard - Works at 2.4 GHz - 3 operating modes: STA, AP, STA + AP - Supports AT commands - Has a built-in PCB antenna - Maximum transmission distance: 400m - Dimensions: 37 * 25mm Set contains: - 5V relay module - 1 pc - ESP8266 wireless module - 1 pc https://elecena.pl/product/22604989/esp8266-wifi-5v-relay-module-arduino 2023-02-22 https://elecena.pl/product/22604989/esp8266-wifi-5v-relay-module-arduino 2025-10-29