Portable Rechargeable Design - This UV lamp is equipped with USB charger cable and you can fully charge the lamp within 2 hours. Enable the lamp work at any place freely. Easy to operate - When you press the start button, the Ultraviolet light will start after a delay of 28 seconds and will automatically turn off after working for 30mins. Refresh Your Room and Car- The UV Ozone Light has the Professional Sterilization effect and there is no irritating odor, which will protect you and your families’ health from chemicals. Compact Travel Size - Size: 5.6*5.6*125 mm(2.2*2.2*4.9inch). This mini uv light is easy to carry and will not take much space which is perfect suitable for travel and car use. Multi-Scene Use - Suitable for office travel, outing, and car, used in personal daily necessities, desks, closet, Bathroom toilets, Kitchen or public places etc.