ITEM NAME:4pcs 9V Battery Snap Connector to DC Power Adapter for Arduino Description: - Hard plastic T-type connector. - Stripped and tinned leads, 1 red and 1 black for easy identification and soldering Snap-on terminal connector for 9-volt battery or for DIY projects. - Plug Type: 2.1 x 5.5mm Male to 9V Battery Clip - Material(External): PVC Plastic - Color: Black, Red - Size: Approx. 13.2*2.6 *0.9cm / 5.20*1.02*0.35inch Package Included: 4 x 9V Battery Clips (9V battery is not included).Plug Type: 2.1 x 5.5mm Male to 9V Battery Clip. Cell Phones & Accessoris. Housekeeping & Organization. Car & Truck Parts. Christmas & Hallowen Decor. Pet Supplies. Decorations & Favours.