Features 1、This is a high-low level trigger 2-channel relay module that can control two loads 2、Large load capacity, the relay can connect to maximum 30A, 250V loads 3、Easy to use, designed with screw terminals for convenient connection 4、High or low level trigger can be selected by jumper 5、Four mounting holes are great for installation Specification Features: This is a high-low level trigger 2-channel relay module that can control two loads. Large load capacity, the relay can connect to maximum 30A, 250V loads. Easy to use, designed with screw terminals for convenient connection. High or low level trigger can be selected by jumper. Four mounting holes are great for installation. Specifications: Power Supply: AC100-250V Input Control Signal Voltage: 0-1V DC(low state relay), 1.5-5V DC(high state relay) Working Current: 378mA Load Capacity: 30A, 250V AC/ 30V DC Trigger Input: DC +: 5V DC -: GND CH1: Signal trigger terminal CH2: Signal trigger terminal Package Includes: 1 x Relay Module Package List