Description: Features: DC12V 5.5x2.1mm power cable for 5050/ 3528/ 5630 LED Strip Light, LED lamp, Boat Lighting and other devices 5.5x2.1mm Inner positive + (red wire); outer negative-(black wire), Alligator Clip connect to 12V car battery,5.5x2.1mm connect to WiFi Router Led Strip Light and more. Turn any battery pack into a power supply with this incredibly useful adapter,Widely used with LED strip lighting, CCTV systems, routers, switches and much more. Suitable for any 1V-38V low voltage led light or other electronic products, such as 3528 or 5050 led strip light,led light bar, CCTV Camera Laptop and mord Device. Specifications: Item Type: 5.5x2.1mm to Alligator Clip Cable Material: Plastic Color: Black Cable length: (Apporx.) 100cm/39.3inch Voltage: for DC 1V-38V Maximum allowed current: 5 Amps,50W max Quantity: 1 PC (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 X 5.5x2.1mm to Alligator Clip Cable (No retail package)