1 PCS One channel relay module board, for PIC / AVR / 8051 etc project.
Led indicator for each relay channel.
Use BC547 driving relay, Improve the reliability of action.
Power Supply: 5V / 400mA.
Input voltage: 0V - 0.5V (relay is OFF),
0.5V - 4V (unknown state),
4V - 5V (relay is ON).PCB thickness: 1.6mm.
Coil: Voltage: 5V DC. Current: 71.4mA.
Contact Capacity: 250 VAC/7 Amp or 30 VDC/10 Amp.