Geekstory 5Pcs 1 Channel 5V Relay Module SRD-05VDC-SL-C With 20CM 20Pin Dupont Cable for Arduino

Product Description: Microcontroller development board can be used as modules, can be used as appliance control 5V-12V control signal of the TTL Control DC or AC signals can control the 220V AC load. There is a normally open and one normally closed contact Power LED Controlled light, pull off, off off Increased transistor drive a relay coil, the control pin high impedance. Control pins have pull-down circuit, to prevent floating relay malfunction Package Included: 5 x 5V Relay Module 1 x 20Pin 20CM Male to Female Jumper Wires 1 x 20Pin 20CM Male to Male Jumper Wires 1 x 20Pin 20CM Female to Female Jumper Wires