1PCS Flame sensor relay module Intelligent PLC controller module 5V 12V #YT

1PCS Hand sweep sensor switch module LED light non-touch 5V 12V #YT

1PCS Photodiode plus relay module light control switch light detection 5V 12V#YT

1PCS 5V 12V relay module NE555 switch 1-10 seconds delay switch on disconnect#YT

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

1PCS 1 way 5V 12V high power relay 30A, 250V/high level drive relay module #YT

1PCS Pressure sensor Pressure sensor module Water level sensor module #YT

1PCS NEW 1 5V 12V high power relay 30A, 250V/high level drive relay module #YT