Waterproof underwater light, 2 x 18650 batteries, with charger. - Type: Underwater light - Epoch EL-1000LL - Accessories: Charger, 2 x 18650 batteries - Color: Black - Features: Waterproof design - Battery type: 2 x 18650 (3100mAh) Used for many years, so there are many scratches, but it works without any problems. I'm selling it because I bought a new light and no longer use this one. The hole at the end is torn. Please understand. For use in caves, photography, and video shooting. Thank you for looking.