brand new and high quality Material: Electrical components Color: See pictures This is a relay module with high performance, which is convenient and practical for users. Features: The module voltage: 12V Output capacity: within for DC 30V 30A or AC 250V 30A. Using optocoupler isolation, strong anti-jamming capability and stable performance. The module can be set high or low trigger. With power indicator and working indicator. To ensure stability, uses industrial grade PCB board and 9.5mm barrier terminals. All interfaces can be connected directly via terminal wiring leads, very convenient. Module Interface Description: 1. for DC +: for DC power supply positive; 2. for DC -: for DC power supply module negative; 3. IN: Signal input terminal(support High/Low Level switch freely); 4. Normally open (NO): Relay normally open; 5. Common terminal (COM): Relay common; 6. Normally closed terminal (NC): relay normally closed terminal; Specifications: Type: 1-Channel Relay Voltage: 12V Output Capacity: within for DC 30V 30A or AC 250V 30A Quiescent Current: 5mA Maximum Current: Trigger Current: 5mA Module Size: 66 * 40 * 22mm No retail package Quantity:1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!!