5V 2-Channel Relay Module active low or Arduino optocoupler protection

Description:
Brand new and high quality.
2-Channel Relay interface board,
Just use 5V input signal to control.
You can do some simple design about it.
This module can be used with Arduino Special Sensor Shield V4.0.
Each relay has a normally open, normally closed contact group.
It can control various appliances and other equipments with large current.
Equiped with high-current relay, AC250V 10A, AC150V 10A,DC30V 10A,DC28V 10A.
This is a 2-Channel 5V Relay Module Shield can be controlled directly by a wide range of microcontrollers such as Arduino PIC ARM AVR DSP.
Easy to be controlled by a lots of Microcontrollers( Such as Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, PLC,TTL logic).

Specifications:
Size: 3.9cm x 5.1cm
Materials: PCB board and electronic components

Package included:
1 x 5V 2-Channel Relay Module Shield