PIR Sensor Detecting Module - Pyroelectric HC-SR501 - UK Free P&P

Mini Power Relay - 24 Volt 20 Amp - 15x12x13mm - SRA 20A 24V- UK Free P&P

Mini Power Relay - 12 Volt 20 Amp - 15x12x13mm - SRA 20A 24V- UK Free P&P

Relay Module - 10 Amp 5 Volt - 3 Pin Connection - UK Free P&P

Relay Module - 10 Amp 5 Volt - 3 Pin Connection - LED Indicators - UK Free P&P

Mini Power Relay - 5 Volt 20 Amp - 15x12x13mm - SRA 20A 24V- UK Free P&P

LAN Ethernet 2-way Relay Board Delay /UDP Controller Module WEB server I8Q2

LAN Ethernet 2-way Relay Board Delay /UDP Controller Module WEB server O3J2