Description: Input: DC12V-24V;USB Output Voltage:DC 5V;USB Output Current: 2.1A/1A ; Barrel inner diameter: 2.1cm/0.82inch ; Barrel inner length: 3.6cm/1.4inch ; Overall size: about (10.5 x 5.5 x 4.5)cm / (4.1 x 2.1 x 1.7)inch Compatible with: All USB charging mobile phones or other electronic products, such as vehicle,GPS, mobile phone, camera, mp3 . Wiring kit for cigarette lighters to install in any 12V-24V motorbike, boat, riding mower, tractor,car,camper,caravans or travel trailer etc. Compact design and practical function, perfect for travel use ; Run multiple accessories at one time, convenient and easy to use. Specification: Input: DC12V-24V Barrel inner diameter: 2.1cm/0.82" Barrel inner length: 3.6cm/1.4" USB Output Voltage: DC 5V USB Output Current: 2.1A/1A Overall size: about (10.5 x 5.5 x 4.5)cm Color: Black Compatible with: All USB charging mobile phones or other electronic products Package Includes: 1 x Dual Car Cigarette Lighter Socket Splitter USB Power Adapter 4 x Screw 4 x Connector Terminal