Features 1、The control end realizes opto‑couplers isolation, can be connected into a common anode or common cathode 2、Compatible with 5VDC or 12VDC power input, two way power supplies only one way power supply is enough 3、Equipped with input power indication, relay pull‑in indicator indication, input signal status indication 4、High current terminal possess stable structure and excellent performance, practical and durable 5、Using high quality plastic material with strong corrosion resistance and good insulation Specification Item Type: Relay Module Model: 2RL-5V12V30A-D Material: Plastic Input Voltage: DC5V/12V Input Current: 30A 1 and 2 Input Level Jumper Screen Printing Instructions: JUMPER ON-5V OFF-24V or 12V. Yellow jumper two pins are all inserted ON, only inserted one pin or not inserted OFF Package List 1 x Relay Module