Cool summer: mini fan for cars, through the combination of ventilation fan and car air conditioning, cool whole trip, powerful cooling air fan with 5 wind blades < p>No battery: don't worry about the battery exploding when the temperature gets too high in summer Wide application: suitable for universal cars, including air vent, center console and the armrest box for cooling the passenger, also for home or office, can be installed on any platform Easy installation: comes with a dashboard sticker for configuration easy Specification: Input voltage: 5V (USB); Input current: 1A; Power: 5W (± 20%)