Batteries: 2 x 18650 lithium 2000mAh batteries Battery voltage: 3.2-4.5V Battery input: USB-5V-1A Charging time: Approximately 4 hours Waterproof: IP42 Lamp beads: T6 LED + 2835 LED Brand new, unused. Please understand that this item has been stored at home. Also, please refrain from purchasing if you are overly concerned about minor details or are looking for a perfect item.