1. Upgraded version of stepless speed adjustment fan set 2. 64MM precision fast and powerful blower industrial fan 3. Novel appearance design, reasonable structure and powerful performance. 4. With good dust removal effect, the thrust can reach at least 1000g. 5. Suitable for: snow removal, air cushion inflation, extreme cold, dust removal, sweeping, industrial dust removal, keyboard cleaning, car and motorcycle cleaning, car cleaning and water collection, car crack cleaning Battery:8000mAh capacity, 21700 8 sections Support:intelligent temperature control system, stepless speed regulation Charging method:C type charging Charging time:about 2 hours Working voltage:16V Note: 1. Please note that material upgrades and style upgrades may occur from time to time. 2. It is normal for the appearance to be slightly different after receiving the goods. 3. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use.The motor color is random and cannot be specified. Colour:Black- Material:PETG carbon fiber Package Contents: 1 * Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.