1 Channel 12V Latching Remote Control Wireless Relay Board Module 🇬🇧 UK

1/2/4 Channel Bluetooth Relay Module APP Control Switch IoT Smart Home DC 5V/12V

Remote Control Relay Module Switch 12V IOT Wireless Module 🇬🇧

12V Remote Control Relay Module Switch IOT Wireless Module Bluetooth Smart Home

DC 12V Relay Module 4 Channel Relay Board Shield with Optocoupler Isolation

AD22B04 12V 4 Channel DTMF Tone Signal Decoder Relay Phone Remote PLC Control

5V 12V 24V Single Self Locking Latching Bistable Interlock Relay Module Switch

1/2/4/8 Arduino Pi Channel Relay Board Module Selectable High Low 5V 12V 24V