Specification Brand : Fafeicy BulletPoint1 : Small size, easy to carry and store, easy to use and with good performance BulletPoint2 : Application: The relay module supports all MCU control, industrial field, PLC control, smart home control, VCC system power supply, etc. BulletPoint3 : AC voltage maximum load 250V, AC current 10A, DC voltage maximum load 30V, DC current 10A, output normally open or close BulletPoint4 : MAIN FUNTION : Support all MCU control, industrial field, PLC control, smart home control, VCC system power supply, etc.Strict quality control and quality assurance, high safety factor, can be used with peace of mind. BulletPoint5 : AC voltage maximum load 250V, AC current 10A, DC voltage maximum load 30V, DC current 10A, output normally open or close ConnectorType : Through Hole CurrentRating : 10 amps ExternallyAssignedProductIdentifier : 8475896951033 ExternallyAssignedProductIdentifier1 : 085267055031 ExternallyAssignedProductIdentifier2 : 0085267055031 ItemName : 1 Relay Module, 3.3V 1 Channel Relay Module Device Electronic Control Accessories Without Optocoupler Blackboard, Pc Board Relays ItemPackageDimensions_Height : 11.1 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 3.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : solid-state-relays Manufacturer : Fafeicy Material : Copper MaximumSwitchingCurrent : 10 amps MaximumSwitchingVoltage : 3.3 volts MeasurementSystem : Imperial ModelName : Fafeicy16oznbdaq0 ModelNumber : Fafeicy16oznbdaq0 MountingType : PCB Mount NumberOfItems : 1 OperationMode : Automatic PartNumber : Fafeicy16oznbdaq0 ProductDescription : Specification: Item Type: 1 Relay ModuleOperating Voltage: Maximum Load of AC Voltage: 250V/10A DC Voltage Maximum Load: 30V/10A Power Indicator: Green Instructions For Use: 1VCC external 5V 2GND external GND 31N1 relay control interface connects to MCU 10 ports (low level effective)