5V/9V/12V/24V 4 Channel Relay Module with Optocoupler Low Lever Trigger

Pin Definition

VCC Power interface

Relay Voltage 5V/12V for optional

Suitable for SCM development, home appliance control

TTL Control Signal 5V-12V

GND Ground

COM Control circuit groud,conect to GND

Channel 4 channel

Pack Size 10cm x 8cm x 6cm

Weight 61g