auto LED magnifying map light 1: use car 12v DC power source,the plug directly put in cigar socket 2:use of 9pcs light piranha LED with high luminance & soft light 3:save engery total current 60MA only 4:magnification:3 to 5 times 5:LED lift time over 10,000 hours 6: environment and safety Power on: Cigarette plug into the cigarette ignitor,and turn plug to a lock-up position Power off: Firstly press the button on plug to unlock,and then release the plug-off