ITEM NAME:HW-869 5V DC Low Level 4-Channel Solid State Relay Module 250V 2A with Fuse Product Description Description: Feature: The product has short circuit protection, overload protection and overheat protection functions 4 relays can individually trigger the control load circuit, each relay has a status indicator, the relay is closed, the LED light is on, otherwise it is not The uncharged output of the relay is equivalent to the function of a switch to control the on and off of the load circuit Specification: Input: 5V DC, 160mA Load voltage: 250V AC Load current: 2A Size: 55*55*20mm/2.17*2.17*0.79" Input control signal voltage: the low level trigger of this module is valid, and the trigger.Load current: 2A. 0-2.5V Low level triggers the relay picks up and works after the load circuit is energized;. Input: 5V DC, 160mA. 3.3-5V high level triggers, relay off, and load circuit power off. Included: 1 X Solid State Relay Module.