Specification Brand : FAUOSWUK BulletPoint : Altech Corp 2202.0/100 (6 Pack) 4000770078059 BulletPoint1 : [Efficient and Reliable] Utilizes transistor-driven relay coil and optocoupler isolation for strong anti-interference capabilities. BulletPoint2 : [Compatible with 3.3v and 5v] Fully versatile relay module for easy interfacing with different systems. BulletPoint3 : [Flexible Switch Control] Small Relay Module is Equipped with both no and nc contacts for enhanced control options. BulletPoint4 : [Multi Use and Versatile] Capable of controlling both dc and ac signals, allowing for a wide range of applications. BulletPoint5 : [Visual Feedback] Small Relay Module features a control indicator light for easy monitoring of relay status. ConnectorType : Spade CurrentRating : 30 amps ExternallyAssignedProductIdentifier : 7436829178935 ExternallyAssignedProductIdentifier1 : 051712642859 ExternallyAssignedProductIdentifier2 : 0051712642859 IncludedComponents : no ItemName : 3.3V 5V Small Relay Module Optocoupler Light Indicator Anti Interference Control, PCB Micro Relay Board with Optocoupler for DC and AC (2 Channel) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sensor-blocks Manufacturer : FAUOSWUK Material : tile ModelName : FAUOSWUKcyoupqm0k3-12 ModelNumber : FAUOSWUKcyoupqm0k3-12 MountingType : Through-Hole Mount NumberOfContacts : 3 NumberOfItems : 5 NumberOfPoles : 3 NumberOfPositions : 3 OperatingVoltage : 600 volts PackageLevel : unit PartNumber : FAUOSWUKcyoupqm0k3-12 ProductDescription : Specification: Item Type: Small Relay Module Material: PCB Supply Voltage: 3.3-5V DC Triggering Level: 5V Version :3.3V-7V triggering Triggering Current: about 3-5MA (such as 3.3V MCU control, need to have 10 push pull output function) Control Voltage: AC 0-250V or DC 0-30V Control Current: 0-3A1, can be used as a single chip microcomputer development board module, can be used as a small home appliance control.