Features:2-channel relay interface board which can be controlled directly by a wide range of microcontrollers Controllers includes AVR, PIC, ARM, PLC, etc.It can control various appliances and other equipments with large current Relay output maximum contact is AC110V ~ AC250V 10A and DC30V 10A Standard interface can be directly connected with microcontrollers Red working status indicator for power on indicationWidely used for all MCU control, industrial sector, PLC control, smart home controlSpecifications:100% Brand NewWorking voltage: 5VChannel: 2 channelsSize: 50x38mm/1.97x1.5"Quantity: 1 PcNote:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!No Retail PackagePackage Includes:1 x Relay Switch Module