NOTE: DO NOT use mirror while driving, keep your eyes on the road.DO NOT leave the LED light mirror inside your car during high temperatures for extended periods of time.If your LED visor vanity mirror includes a built-in rechargeable battery, Do Not expose it to extreme hot or cold temperatures.Safe temperatures are around -20℃/ -4℉ - 60℃/ 140℉.Prolonged exposure to cold or hot temperatures can decrease the performance and lifespan of the internal battery. Features: USB Power Supply60 PCS LED Lamp Beads3 Modes LightsSmart Dual Touch DesignHD Screen Our LED car sun visor vanity mirror with 3 modes lights, smart double touch switches and USB power supply design and built-in lithium battery, fully charged can be used continuously for about 8 hours. How to use? Attach the mirror onto the vehicle's sun visor using the velcro straps.Connect the small cable end to USB port on the mirror and plug the opposing Type C USB end directly into a power source eg. vehicle USB port, USB adaptor plug (not included), computer or laptop.Tap or touch the control button or circles gently (located in the bottom-center of the face of the mirror) to turn ON/OFF.Tap or touch controls again to select from three LED light color settings: bright white daylight, warm light, combination light. Press and hold the control button to adjust the brightness on any light setting.