Feature: 1. High Efficiency: The blower fan is equipped with high speed bearing and CNC machining leaves, which can generate ultra fast pressure and speed, achieving efficient cleaning and cooling tasks. 2. 50MM Duct and High Thrust: This handheld blower fan uses 50mm brushless duct power set, with a maximum voltage of 12.6V and a current of 40A. At a distance of 10cm, the thrust up to 800g. 3. Reliable Performance: This electric dust blower has a reasonable structure and innovative design, equipped with 11 fan leaves, for great dust removal effect, powerful performance, improving work efficiency. 4. Battery Powered: This electric blower has built in 4000mAh high capacity battery, providing continuous and lasting endurance. Equipped with Type C DC fast charging interface, convenient for use anytime and anywhere. 5. Wide Application: This blower fan is suitable for snow removal, air cushion inflation, rapid cooling, industrial dust removal, vehicle crack and debris cleaning, keyboard cleaning, etc., suitable for both household and commercial use. Specification: Item Type: Jet Dry Blower Material: ABS Battery: 1 x Polymer Battery, Capacity: 4000mAh (Built in) Voltage: 12.6V Maximum Current: 40A Airflow Adjustment: No Variable Speed + One Key Start Thrust: Approx. 800g / 28.2oz Fan Size: Approx. 24 x 14 x 7cm / 9.4 x 5.5 x 2.8in Grip Size: Approx. 5.5cm / 2.2in. Package List: 1 x Jet Dry Blower 1 x USB Cable