Specifications: Model: ESP8266 Color: Green Size(L*W*H):65 x 40 x 18 mm ISM: 2.4 GHz PA:+ 25 dBm Relay voltage: 220 V Relay Current: 10 A Input voltage: DC 7 V~30 V Input overvoltage protection: Yes Input overcurrent protection: Yes eatures: 1.More safe with relays PCB pin anti-climb design. 2.With ESP8266 Wifi module,4-layers board design. 3.One output status indicator, one input status indicator. 4.220V 10A relay, one normally open, one normally closed. 5.One way optocoupler isolation input, TVS input protection. 6.Access control server via TCP CLIENT mode Via HTTP protocol control.High-current terminals. 7.Input overvoltage protection, input with TVS, when voltage exceeds 33V, automatic protection will operate. Note: Manual measuring, please allow 1 ~ 5 mm error,thank you. Package Included: 1 x ESP8266 WIFI Module 1, the use of science and technology of the ESP8266 WIFI module, WIFI module four-layer design. 2, wide voltage input, input voltage: DC 7V - DC 30V. 3, the input over-voltage protection, input with TVS, the voltage exceeds 33V, automatic protection. 4, input over-current protection. 5, 220V 10A relay, a normally open, a normally closed
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