3Pcs 2 Way Relay Module With Optocoupler Protection
Feature:
The relay contact capacity 250V 10A Relay outputs normally open， normally closed
Active low 5V relay signal input voltage range: 0-5V
VCC system power JD-VCC power relay Default 5V relay JD-VCC and VCC shorted on it Package included: 3 x 2 Way Relay Module With Optocoupler Protection