1、4 Channel Relay: Our relay board has 4 relays, each of which is independently triggered and independently delayed, without interfering with each other. 2、Lightweight and Portable: Our relay board has standard specifications and is not very heavy, which makes it more portable and easy to store. 3、Operating Current: Standby current 4MA, 1 relay on 32MA, 2 relays on 59MA, 3 relays on 86MA, 4 relays on 114MA. 4、Easy to Install: This relay board is small and the layout design is very humane and reasonable, wiring and installation are very convenient. 5、Usage Scenarios: This relay board can be used for automotive electronics, AC or DC motors, audio amplifiers, etc. This relay can be used in a variety of applications. 1 x Relay Module Item Type: Relay ModuleMaterial: PCBWorking Voltage: DC 5VWorking Current: Standby current 4MA, 1 relay on 32MA, 2 relay on 59MA, 3 relay on 86MA, 4 relay on 114MA