RPi Relay Board 3 Channels 5V

RPi Relay 3-channel 5V
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product description
The RPi Relay Board gives you the power to control high-voltage / high-current equipment and to make common appliances smarter.
RPi Relay Board Features
Support raspberry pie A + / B + / 2B / 3B
High quality relay, load up to 250VAC / 5A, 30VDC / 5A
Photocoupler isolation, to prevent high-voltage circuit interference
Onboard LED indicates the status of the relay
Relay control jumper allows the relay to be controlled via custom pins other than the default pin
Including development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835