Features 1、Brand new and high quality. 2、Small body and stable performance. 3、There is a 4 channels solid state relay module. 4、4 channels make it more convenient to connect control line. 5、The relay is closed when the voltage between the trigger terminal and the negative pole of the power supply is 0V or close to 0V. Specification Features: 1. Brand new and high quality. 2. Small body and stable performance. 3. There is a 4 channels solid state relay module. 4. 4 channels make it more convenient to connect control line. 6. Widely used. Specification: Condition: Brand New Trigger Mode: High Level Trigger Load Current: 2A Maximum Operating Current: 48.8mA Module Life: 10 Million Times Weight: Approx. 36g / 1.3oz Package List: 1 * 4 Channel Solid State Relay Module Package List