1 Piece SSR G3MB-202P Solid State Relay module sensor switch on off C22

5PCS DC 12V Photoresistor Relay Module Light Sensor Automatic Control Switch 10A

1 Piece Relay module basic 12V sensor robot switch SCM expansion on off A12

DC Current Detection Module Relay Switch Sensor Digital Motor Controller 12V

1 Piece Thermal Temperature Relay module 12V sensor switch C35

2 Pieces Relay module basic 12V sensor robot switch SCM expansion on off A12

12V Relay module soil moisture soil moisture sensor robot switch on off A8

DC 12V PIR Human Motion Sensor Module High Sensitivity Infrared Adjustable Relay