ESP8266 Relay Module W-F- Smart Socket Remote Smart Control Switch with ESP-01S Module Features:This intelligent relay module is designed based on ESP-01S W-F- module, which can be used for DIY intelligent switch.It can be controlled remotely via mobile APP, APP and LUA sources are provided.The relay module has DC5V working voltage.Ready to use, simple and convenient, easy to get start with.Specifications:Material: PCBWorking Voltage: DC5VLoad Capacity: 10A 250VAC, 10A 125VAC, 10A 30VDC, 10A 28VDCESP-01S Module Size: 25 * 14mm / 0.98 * 0.55inRelay Module Size: 37 * 25mm / 1.45 * 0.98inItem Weight: 16g / 0.56ozPackage Weight: 17g / 0.60ozPackage Size: 10 * 7 * 2cm / 3.94 * 2.76 * 0.79in