Features 1、4 Channel Relay: This 4 channel relay module has 4 kinds of functional mode, which can be selected by the DIP switch. 2、Working Current: The standby current is 4MA. 1 relay on ,32MA. 2 relay on, 59MA. 3 relay on, 86MA. 4 relay on, 114MA. 3、Practical Using: Can be widely applied to automotive, electronics, motors, audio amplifiers and so on, very practical. 4、Reliable to Use: Each channel are independently triggered and independent delay, will not interfere with each other. ​ 5、Easy to Install: Designed to have a light weight and a compact size as well, the wiring and installation are very easy. Specification Item Type: Relay Module Material: PCB Working Current: Standby current 4MA, 1 relay on 32MA, 2 relay on 59MA, 3 relay on 86MA, 4 relay on 114MA. Package List 1 x Relay Module