Specification Brand : Agatige BulletPoint1 : Meet Needs: The relay module can set high or low level triggers, which meet the needs of more triggering applications, standard interface can be directly connected with microcontrollers BulletPoint2 : Direct Connection: High voltage relay board with humanized interface design, all interfaces can be directly connected through terminal wiring, user-friendly interface design, all interfaces are available through the wiring terminal direct connection leads, which is very convenient BulletPoint3 : Fault Tolerant Design: This 3 way relay module adopts fault tolerant design, even if the control line is damaged, the relay cannot operate, working status indicator lights are conducive to the safe use BulletPoint4 : Stable Performance: This high voltage relay module, with optocoupler isolation, 3 channel relay module has strong driving ability and stable performance, which can be controlled directly by a wide range of microcontrollers BulletPoint5 : Easy to Use: This high voltage relay module, high efficiency, beautiful design, simple operating and wide application, which is also able to control various appliances and other equipments with large current ItemName : 3 Channel Relay Module, High Voltage Relay Board Fault Tolerant Design Electronic Relays with Isolated Optocoupler High Low Level Trigger for Electronic (12v) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : optocouplers Manufacturer : Agatige ModelName : Agatige8ak4bizwof-11 ModelNumber : Agatige8ak4bizwof-11 NumberOfItems : 1 PartNumber : Agatige8ak4bizwof-11 ProductDescription : Item Type: 3 Channel Relay Module Specifications: 49 x 42 x 20mm Trigger Current: 5MA (Such as 3.3V microcontroller control, need to have IO push pull output function) Control Voltage: AC0-250V or DC0-30V Control Current: 0-7A Material: Electronic Components