Feature:1. Multipurpose Usage: The electric air duster is designed for a variety of applications. It is not merely an electronic cleaner but also can be used for dust and snow removal.2. Infinite Speed Variation: The electric air blower allows you to adjust the power according to your specific needs. This provides you with full control over the device's operations.3. Digital Display: The device features a digital display that shows the remaining battery power. This ensures you will always know when it's time to recharge the device.4. Safety Hammer Equipped: Configured with window breaker. This added feature extends its utility and can be potentially life saving during emergency situations.5. Strong Performance: With a maximum speed of 110,000 rpm, the powerful aerodynamic force ensures thorough cleaning without causing any damage.Specification:Item Type: Electric Air DusterUsage Time: About 1h for Low Speed, 20min for High Speed Charging Time: 7hMaximum Rotational Speed: 110,000rpm 10%Built in Battery: YesBattery Capacity: 8000mAhFan Material: ABS, Aviation Aluminum AlloyBrush Handle Material: Wood.Package List:1 x Handheld Fan1 x USB Charging Cable10 x Brush1 x Instruction ManualNote:Insufficient battery power will weaken the blowing force, please remember to charge in time.