KUNCAN Dc 5v to Dc 12v Converter Step Up Voltage Converter 5ft Am to Dc 5.5 x 2.1mm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>BUILD-IN IDENTIFICATION RESISTOR.Input: 5V USB A male; Output: 12V 5.5*2.1mm dc connector; Current: 1A; Connectors: DC jack 5.5*2.1mm to USB A male. Only for 5V to 12V and no switch but more stable working.</li><li>DC DC converter with Mutiple Protection Function. Reverse polarity protection， overcurrent protection， over temperature protection， short circuit protection. Synchronous rectification， the conversion rate is 95% or more， lower heat and long working time.</li><li>You can use it to power the router via power bank during power cuts. And also used in other device which is 5v， such as: Huawei HG 531 V1， stepper motor， desk lamp， solar panel， USB power pack， power adapter and so on.</li><li>Easy to use: Plug and play. Brief and beautiful outlook， small volume easy to carry when travel. Lower heat and long working time. The part of PCB board is moulded by PVC which is hard to damage.</li><li>KUNCAN BRAND: If for any reasons you are not satisfied with our product or service， please contact us first， we will be responsible for any un-expectable issues.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41gKo1K2XPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415kcfzIFLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311CtAsbYiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gCQFEZh5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41l%2BQhHuczL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nTOMfeZUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tuPb7JGrL.jpg" noproxy>