Onboard Module: ESP8266 Wi-Fi Module, can connect 5 clients at the same time on the mode of AP.
Working Method: mobile phone equipped with Wi-Fi module.
Mobile phone and Wi-Fi module equipped with one router, and control the relay by APP.
Onboard Relay: 5V, 10A/250V AC 10A/30V DC relay.
With max. 400m transmission distance and the baud rate is 9600,8,1,0,0.
Before you use the module, you need to use the serial debugging software and USB to TTL module to send a serial port command to configure the Wi-Fi module. Please be noted that the 5V power supply cannot be off, or some parameters of the Wi-Fi module will miss.
Power Supply: DC 5V
Operating Mode: STA, AP, STA+AP
Max. Transmission Distance: 400m
Module Size: 44 * 27 * 17mm
Module Weight: 18g
Package Weight: 20g