FEATURES: Suits domestic and commercial environments, For professionals and DIY enthusiasts, 18,000 RPM fan, 80 m/s high airflow rate, Variable speed control, Locking on / off switch, Compact, lightweight, and easy to use. SPECIFICATIONS: Weight: 2.10kg, Battery: XR LI-ION, Battery Voltage: 18 V, Battery Capacity: 4.0 Ah, Fan Motor Speed: 18,000 rpm, Air Flow: 80m/s.