The Makita 18V LXT® Lithium-Ion Cordless 13″ Job Site Fan provides up to 5.7 hours of portable air flow with an 18V LXT® Lithium-Ion 5.0 Ah battery (#55752, sold separately) installed. The fan provides a cooling breeze, improved air circulation for painters, and can redirect airborne dust. Three speed settings and an oscillation selector give the user good control over the output. For added convenience, the 3-stage automatic timer offers 1, 2- and 4-hour power-off selection. The fan has a durable design and the protective bumpers are engineered to withstand tough job site environments. The DCF300Z is compatible with Makita 18V batteries with a star symbol. Features: Rugged construction withstands harsh job site environments Designed for reduced wind noise level for quiet operation Three speed settings (High/Medium/Low) and oscillation selector for optimal air velocity and control 3-stage automatic timer with 1, 2, and 4-hour intervals Removable front guard for convenient clean up Tilts up and down for optimal air flow Large carrying handle for easy transport Up to 5.7 hours of continuous run time in low speed with a 5.0Ah LXT® battery (battery not included) Up to 4 hours of continuous run time in low speed with a 4.0Ah LXT® battery (battery not included) Includes AC adapter for corded operation Rapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature (battery and charger sold separately) Rapid Optimum Charger has a built-in fan to cool the battery for faster, more efficient charging (battery and charger sold separately) Makita technology delivers category-leading charge time so the battery spends more time working and less time sitting on the charger (battery and charger sold separately) Battery and charger sold separately Only use genuine Makita batteries and chargers.