1PC NEU 1/2/4/8 5/9/12/24V relay module optocoupler isolation #YT

1PC NEU Sensor switch LED light Non-touch hand sweep switch module 5V 12V 24V#YT

1PC NEW 4-wire NTC thermistor sensor module Switch 4-pin controller 3.3V 5V #YT

1PC NEW Fire detection Flame sensor plus relay module infrared reception #YT

1PC NEW 5A Overcurrent protection 5V 12V 24V AC detection sensor relay module#YT

1PCS NEW Relay switch DC module optocoupler 1/2/4/6/8control board 5V/12V/24V#YT

1PC NEW Single 5V/12V high level relay isolation control module #YT

1PC NEW 12V trigger delay relay module #YT