Features :
1. One normally closed contact and one normally open contact
2. Triode drive, increasing relay coil
3. High impedance controller pin
4. Pull-down circuit for the avoidance of malfunction
5. Power supply indicator and Control indicator lamp
6. Power supply and relay instructions, lit, the disconnect is off
7. The input signal, signal, common Terminal and start conducting
8. Useful for appliance control
9. DC or AC signal, control, you can control the 220V AC load
10. There is a normally open and one normally closed contact
11. The module is compliant with international safety standards, control and load areas isolation trenches.

Specification:
• Number of Channel: 4
• Trigger Voltage: 5 V
• Trigger Current: 20mA
• Switching Voltage: 250@10A (VAC)
• Switching Voltage: 30@10A (VDC)
• Length: 75 mm
• Width: 55 mm
• Height: 18 mm
• Weight: 55 gm

Package Included:
1 x 4 Channel 5V Relay Board Module