Kit relay 2buah cocok buat semua mikrokontroler.
1. Size: 50.5mm (length) * 38.5mm (W) * 18.5 (H)
2. Weight: 31g
3.PCB Color: Black
4. board four weeks with four fixed screw holes, hole diameter 3.1mm, easy to install and fixed
5. Relay selection of quality loose music relay, SPDT. A common terminal, a normally open, a normally closed terminal
6. optocoupler isolation, good anti-jamming