1 plastic waterproof cover， two waterproof covers， closely to USB port， better waterproof effect <br />2 with blue indicator light <br />3 positive and negative on the back， effectively prevent wrong connection<br />No hesitation， buy instantly!<br />Color: Black <br />Material: ABS <br />Size: about 6 x 5 x 4.3cm <br />Installation aperture: about 29mm <br />USB socket: dual USB socket <br />Input voltage: DC12V <br />Output: DC 5V 2.1A / DC 5V 1A <br />Working indicator light: Blue LED light<br />1 x Dual USB socket<br />1 bag x Accessories (2 x screws， 2 x other accessories)<br /><img src="http://img6.eachbuyer.com/x9/p100/bv119_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv119_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv119_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv119_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv119_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv119_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv119_7.jpg" />