ITEM NAME:DC 5V 2 Way Relay Driver Control Module PLC Controller Board for Arduino Product Description Description: Features: Relay connector supports AC 250V 10A Supports low level. Relay Signal Input Voltage Range: 0-5V Specification: Type: Automatic Control Switch Rated Voltage: DC 5V Rated Current: 60mA Net Weight: approx. 28 g Size: approx. 49 X 37 X 17 mm/1.93 X 1.46 X 0.67 in Included: 1 X 2 Way Relay Module.Included:1 X 2 Way Relay Module. Relay connector supports AC 250V 10A. Supports low level. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.