HUALAND dc Inline Switch Manual Inline DC Power Switch Extension Cable Male to Female 5.5mm x 2.1mm Barrel for LED Strip 5050 3528 2835, Light and Other Low Voltage Applica tions Avoid Soldering with easy-plug DC Jack connections (5.5 x 2.1 mm) Easy installation with DC Jack plug in; Simple ON/OFF Function Compatible with all LED Light Strips and low voltage accessories Suitable for any 5-12V led light;such as 12v 3528 or 5050 led strip light,led light bar,etc Length:32cm /12.60 inch; DC Power Pigtail male/female:2.1x5.5mm;Voltage5-12V; Max electric current:2A There are DC Female and male Jack at either of its ends,which enable 12v power source and led strip light linkable from HUALAND with Unique Amazon Barcode "X0013012SV" Quality with 1 Year Warranty