Stepless knob speed adjustment: ATEngeus Air Duster use stepless knob speed adjustment. You can adjust the knob left and right to get the wind speed you want, so that the wind speed is no longer fixed to one speed. Therefore, you no longer have to worry about the wind being too strong and blowing dust all over the sky. You only need to control it with a knob switch to get the precise wind speed you need. | Super Strong Blowing: The AC Air Duster has a rated power of 500W and uses a brushless DC motor, which has stable performance and long service life. The blowing force can reach about 170g at the highest speed. After connecting to the power supply, it can provide continuous and strong blowing ability, and is equipped with a cleaning nozzle for efficient cleaning. | 3-Meter Cable: This Compressed Air Duster is an AC modle and needs to be connected to a power source, so you don't have to worry about the battery life being affected by insufficient power, nor will the output of the blowing force be affected by the power drop. At the same time, it is equipped with a 3-meter long power cord to provide you with a wider cleaning area. | Multi-Purpose Accessories: The accessories of this Electric Air Duster include a brush, a nozzle, a 3-in-1 inflation nozzle and 2 replaceable sponges. You can not only deep clean indoor and outdoor dust, but also inflate your swimming ring and air mattress. The dust filter sponge on the back of the dust blower can be removed and reused after cleaning. | Lightweight and Portable: The Electric Air Duster weighs 670 grams and measures 7.9inch*5.5inch*2.9inch. There is a small round hole on the handle, which is suitable for hanging on the wall for storage. ATEngeus blowers can be reused, which can save you more money and provide a more environmentally friendly experience compared to buying disposable compressed air cans.