4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V) sold2025 in) 48mm Body 4-lead W/

in) 48mm Body 4-lead W/ 1m Cable and Connector compatible with 3D Printer/CNC

which is very suitable for close work

1 x Coiled Charging Cable

or to fasten it further to another object

4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V) sold2025 in) 48mm Body 4-lead W/4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V) Module description: 1. The module Operating voltage 12V; 2. Fault tolerant design, even if the control line is broken, the relay will not operate; 3. The power indicator (green), the relay status indicator (red); 4. Module size: 50mm26mm18. 5mm (LWH). Interface: InputVCC: Relay power supply +GND: Relay power supply IN: Signal trigger input (High or Low