1 Easy installation<br />2 USB charging plug waterproof design---with specialized soft rubber lid<br />3 Super long lifetime<br />Color: black<br />Material: ABS<br />Size: about 7.5 x 5 x 4.5 cm<br />Mounting hole pitch: about 21.6 mm<br />Working voltage: DC 12V<br />Output: DC 5V 2.1A<br />Port: 1 USB socket interface<br />Note: Black cable is connected with the positive pole while the green cable is connected with the negative pole. Please connect these lines correctly otherwise it may lead to element damage.<br />1 x USB charging socket<br />Packed in carton<br /><img src="http://img6.eachbuyer.com/x23/p56/bt534_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt534_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt534_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt534_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt534_5.jpg" />