Description: Specification Product Name 12V Relay ModuleMaterial Copper Plastic2 Channel Size 5cm x 3 5cmWorking Voltage 12VUse 1 Support all microcontroller control 2 Industrial field 3 PLC control 4 Home intelligent control 2 Channel This is a 2 Channel 12V Relay interface board Be able to control various appliances and other equipments with large current It can be controlled directly by Microcontroller Arduinos 8051 AVR PIC DSP ARM ARM MSP430 TTLlogic 1 12V 2 Channel Relay interface board and each one needs 15 20mA Driver Current2 Equiped with high current relay AC250V 10A DC30V 10A3 Standard interface that can be controlled directly by microcontroller 8051 AVR PIC DSP ARM ARM MSP430 TTLlogic Note 1 We provide clear pictures measurements where possible Please check as much as possible to make sure the item is the one that you need 2 Please allow 0 5 1 inch difference due to manual measurement 1inch 2 54cm 3 There are no instructions included in this kit Package Included 2 x Relay Module