1 Small size, easy to install2 USB port with waterproof cover3 With long cable4 Can install on the accumulator directlyModel: CS-34Color: BlackMaterial: plastic + electronic componentsDimension: about 5.5 x 3.5 x 1.6 cm Indicator: NoUSB port: 1Input voltage: 12V-24VOutput Current: 2A Output voltage: 5V Overall length: about 150 cmCable connection way: can connect with accumulator directly, red cable connects with its positive pole while the black cable connects with its negative pole.1 x Charger1 x Accessories1 x Cable tie1 x Magic tape<br /><img src="http://img6.eachbuyer.com/x9/p100/bv592_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv592_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv592_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv592_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv592_5.jpg" />