KY-019 5v Relay Module For Arduino , Microcontroller Development Board

Specifications:

1, the new 5V Relay Module

2, can be used as microcontroller development board module can be used as home appliance control

3,5 V-12V to TTL control signal

4, the control signal DC or AC, 220V AC load can be controlled.

5, there is a normally open and one normally closed contact

6, a power indicator light

7, a control indicator, pull off, disconnect does not shine

8, transistor drive to increase the relay coil control pins high impedance.

9, the control pin has a pull-down circuit to prevent malfunction relay vacant

Photos:

Factory Pictures

Competitive Advantage:

1. Convenient & Friendly Customer Service
2. Low Prices Direct From Factory Suppliers
3. Fast Delivery Around the World. 
4. High Quality With Global Standards. 
5. 1 Year Factory Warranty
6. Safe Shipping Way and Payment