Specifications:Input Voltage: DC 12V-23V Output Voltage: DC 5V Output Current: 2.0A (max) Under Voltage Protection: 11.6V Cable Length: Approx. 3m/118.11& Installation Steps:1. Intelligent power protector of unique connection 2. Through the roofline, it will be buried in the corner of glass and ceiling 3. Otwoacute; rz the pillar cover, along the column on the left side of the dashboard gadget 4. Otwoacute; rz fuse box; in, connect the low protector to the warranty long telegram in the box Package Included:1 x Set Power Cable for Car Chargers Dear buyers, we appreciate twoacute; j business, if you are satisfied with our service, please leave us positive feedback and rate the detail; transactions (detail; seller rating) with " Perfect 5 stars ". If you have any problems, broken, quality problems, please don't worry and leave bad feedback. Please send us first, and we will reply you as soon as possible, let us go; l us answer