Feature:1. Easy to install, relay module has 4 3mm fixing bolts holes, which can control various large voltage,current electrical appliances and other equipment.2. Wide application range, suitable for college students,engineers,technicians,factories,personal DIY,electronic hobbyists and other operations.3. This switching time of SSR is at least 100 times faster than ordinary electromechanical relays.4. Powerful, this low level SSR can control various electrical appliances and other equipment with high voltage,current.5. The load voltage of this 2 channel SSR is 240V, and the load current is 2A,and each relay has a status indicator.Specification:Item Type: State Relay ModuleMaterial: Copper Clad PlateModel: HY M284Input Power: 5V DCQuiescent Current: 0MAWorking Current: 26.8MATrigger Voltage: 0 to 2.5VTrigger Current: 2MALoad Voltage: 240VLoad Current: 2APositioning Mounting Hole Size: Approx.27 x 45mm / 1.1 x 1.8in.Package List:1 x SSR ModuleNote:DC+: Connect to the positive pole of the power supply (power supply according to the voltage of the relay)DC: Connect to the negative pole of the power supplyCircuit Paths: Relay module signal trigger terminal (low level trigger is valid)