12v Multi-function 8-channel Relay Module Bidirectional Infrared Remote Control

brand new and high quality
Dual Trigger design , using special two-way driver IC design , fly away to ride the world premiere of Electronic Science and Technology ;
Anti-interference ability , using the freewheeling diode protection;
Part of the relay contacts using double-sided bold wiring for a large current through the safe and reliable;
The inputs can be set high and low trigger control more flexible ;
Each relay has a pull indicator , working status of the relay at a glance;
Each relay output leads to a normally open and normally closed two electric shock, use convenient and flexible ;
With fixed screw holes for easy installation ;
Finished by 100% functional testing and stability testing ;