This 20000mAh rechargeable battery fully charges in 8-9 hours via 5V3A input and provides 8-100 hours of runtime. Features 16 Led beads with cold and warm illumination modes, 5 brightness settings, ideal for outdoor night activities. Dual-head design delivers stronger airflow with 4 speed settings, 270degree(s) rotating head for directional cooling. Fan and lights operate independently with separate controls, speed indicators, and sleep mode to disable lights. Built with durable Abs material, stable base, 360degree(s) swivel table and foldable hooks for versatile placement. Suitable for outdoor and indoor use. Weight: 3.43 pounds.