<p>The turbojet fan uses a high-energy, high-speed motor, which will generate excessive heat if used continuously for a long time. It is recommended to use the blower in short bursts to avoid overheating.</p> <p>On average, it will provide about 10-15 minutes of full-load use time, depending on the energy provided by the battery.</p> <p>Suitable for lithium batteries (batteries not included), the thrust is too great, and leaves, debris and dust tremble in front of the relentless wind.</p> <p>With powerful airflow and construction, this lithium-powered blower can be used for a of tasks and is suitable for professional and DIY applications. It is a reliable tool for tasks that require strong winds, The wind force can reach 0.46 KG.</p> <p>Battery life:maximum wind life is about 1 hour\/low wind 6 hours</p> <p>Full power wind pressure:about 500g</p> <p>Maximum power:about 900w</p> <p>Air flow rate:3.8m\/min</p> <p>Wind speed:0-15m\/s</p> <p>Speed:0-22000r\/min</p> <p>Rated voltage:21v</p> <p>Wind force can reach 0.46 KG</p> <p>Suitable for 18v batteries</p> <p>Colour:Blue \u0026 Black</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 * Turbo Jet Fan</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>