Features 1、brand new and high quality. 2、Made of the high quality miniature optocoupler, anti‑interference ability, stable performance 3、Adopt 9.5mm black barrier terminal and standard 30A terminal which is stable and reliable. 4、High/low level trigger can be switched. 5、Available in three style for you. Specification Features: 1. brand new and high quality. 2. Made of the high quality miniature optocoupler, anti-interference ability, stable performance 3. Adopt 9.5mm black barrier terminal and standard 30A terminal which is stable and reliable. 4. High/low level trigger can be switched. 5. Available in three style for you. Specification: Condition: Brand New Model: YYG-2 Weight: Approx. 49g / 1.7oz Size: Approx. 67 * 40mm / 2.6 * 1.6in Package List: 1 * One Way Relay Module Package List 1 * One Way Relay Module