2pcs 8 Channel DC 5V Relay Module with Optocoupler for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi

Feature:
Can be used as microcontroller development board module can be used as home appliance control
5 V-12V to TTL control signal
The control signal DC or AC, 220V AC load can be controlled
There is a normally open and one normally closed contact
A power indicator light
A control indicator, pull off, disconnect does not shine
Transistor drive to increase the relay coil control pins high impedance
The control pin has a pull-down circuit to prevent malfunction relay vacant

Specifications:
Product Name: 8-Channel Relay Module
Output Channel: 8
Power Supply: 5V
Load Voltage: AC 250V 10A, DC 30V 10A
Total Size: 137mm x 56mm x 17mm/ 5.4" x 2.2" x 0.7" (L*W*H);
Mounted Hole Size: 3mm/ 0.12"
Mounted Hole Center Distance: 132 x 50mm/5.2" x 2"(L*W);
Material: Electric Part

Package Content :
2 x 8-Channel Relay Module