Operating voltage: DC 5V; Trigger current: 5mA, Normally open interface maximum load: AC 250V/10A, DC 30V/10A, Trigger Type: Low = ground level = logic 0 = logical false | High = supply voltage = logic 1 = logical true, This Module Is In Line With International Safety Standard, Control Areas And Load Area Have The Isolation Groove, Uses The Quality Relay; Dc Or Ac Signal Control, Can Control 220 V Ac Load, This Module Is In Line With International Safety Standard, Control Areas And Load Area Have The Isolation Groove, Blue Kf301 Terminal Line More Convenient, Signal Input Signal, The Public End And Will Often Start Conduction, Can Be Used As A Microcontroller Development Board Module, Can Be Used As A Home Appliance Control, Normally open interface maximum load: AC 250V/10A, DC 30V/10A.