4 LEVELS BRIGHTNESS CONTROL: Easily adjust the brightness with dimmer button to fit for camping, reading, power outage, emergency, etc. DURABLE ULTRA BRIGHT: Includes 30 individual 360°low-powered LED bulbs for indoor and outdoor use with longer lifespan (AA batteries included) MAGNETIC BASE: Effortlessly stick it to any metal frames for hand-free lighting in any working environment; Up to 12 hours of continuous use with new batteries