Features: 1.DC 12V power adapter extension cable, for 5.5x 2.1mm connector product use. Only suitable for weak current equipment, and the power is not more than 75W. 2.Compatibility: Compatible with various projectors, monitor, laptop, CCTV camera, TV box, blood pressure monitor, router, credit card machine, accordion, digital scale, and etc. 3.All copper wires, male-to-female interface extension, so that your equipment is no longer restricted by the length of the power cord, and can be placed freely. 4.Premium raw meterial, makes it safter to use electricity. High toughness, high temperature resistance, and antifreeze. 5.5 sizes to choose. 1m( 3.3ft) or 2m( 6.6ft) or 3m(10ft) or 5m(16ft) or 10m(33ft). Package Includes: 1 Piece Extension Cable Specifications: Material: PVC, Copper(11 or 0.15 oxygen-free copper) Color: Black Size(approx): 1m( 3.3ft) or 2m( 6.6ft) or 3m(10ft) or 5m(16ft) or 10m(33ft) Power Plug Outer Diameter: 5.5mm or 0.22in, Inner Diameter: 2.1mm or 0.08in Wire Outer Diameter: 3.5mm or 0.14in Input Interface: DC 5.5 female Output Interface: DC 5.5 male Weight: 1m-Approx.25g 2m-Approx.43g 3m-Approx.62g 5m-Approx.100g 10m-Approx.200g note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you