2PCS 12V One 1 Channel Relay Module Optocouple Board For AVR *pi

1 Channel Infrared Switch Relay Driving Module Board 12V Remote Controller #A6-1

Control Switch 12V 1Channel Thermistor Relay Sensor Temperature Detection Module

12V 1 Channel Latching Relay Module with Touch Bistable Switch MCU Control *yu

1 Channel Infrared Switch Relay Driving Module Board 12V Remote Controller #A6-2

12V PIR IR Pyroelectric Infrared Module Adjustable Relay Output Sensor *ss

1 Channel Infrared Switch Relay Driving Module Board 12V Remote Controller *zr

12V 1 Channel Latching Relay Module with Touch Bistable Switch MCU Control *lg