1PC 5V/12V relay module KY-019 1/2/4/6/8-channel optocoupler relay #TT

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

2PC Light-controlled switch light-finding module Light detection 5V/12V #TT

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

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

1PC NEW 5V 12V 24V voltage detection module relay #YT

1PC NEW 5V/12V raindrop controller module with relay waterless on switch #YT

1PC Multi-mode delay time relay module delay relay 5V/12V/24V #TT