4CH Channel 433Mhz Wireless Remote Control Switch 12V DC Specifications :Remote Control Distance100 meters (open/ideal) in theory, 10%-50% in reality(In open environment)EncodeFixed code, solderi..

4CH Channel 433 Mhz Wireless Remote Control12V 4CH Channel 433Mhz Wireless Remote Control Switch With 2 TransmitterFeatures :It is a learning code wireless remote control switch (receiver), the output..

ESP-01S WiFi Based Smart Relay Switch ModuleOperating Voltage: DC5VCommunication: WiFi (ESP8266 module)Serial Communication Parameters: 9600,8,1,0,0Transmission Distance: Maximum transmission distance..