The Makita 18V max LXT Lithium-Ion cordless 7-1/8 In. fan is a portable and convenient air-moving solution for painters, contractors, and more. The fan has three speed settings and an oscillation selector for optimal air velocity and control. When using an 18V LXT 5.0 Ah battery (BL1850B, sold separately), users get up to 8.2 hours of continuous run time on the high speed setting, 12 hours on medium speed, and up to 17.5 hours on the low speed setting. Added features include tilt-settings for better direction of air flow, and an adjustable hook for easy handling and hanging. The 3-stage automatic timer has 1-hour, 2-hour and 4-hour power-off selection. The fan is compatible with 18V LXT batteries including 2.0 Ah, 3.0 Ah, 4.0 Ah, 5.0 Ah and 6.0 Ah (batteries sold separately).