* Powerful LED lighting and sensor control* Adjustable brightness* Choice of 3 light tone settings: natural, bright and warm* Auto on/off sensor detection* Rechargeable via USB (cable included)When there is darkness, this mirror lets their be light so you can easily create the best makeup looks. So use the powerful LED light to help light up your face to help you achieve the most glowing of makeup looks. Having an adjustable brightness (LUX 1100, CRI 96) combined with a choice of 3 light tone settings allows for a variety of looks. Natural simulates natural sunlight for daytime looks, cool bright light helps show fine definition of detail and indoor warm lighting is helpful for evening occasions. The automatic on/off sensor detects when you are in front of and away from the mirror: the mirror turns off 12 seconds after you move away. One charge of the will last you up to 4 hours of continuous use or around 3-4 weeks of average daily use. The mirror comes with a 1-year manufacturer warranty.