5000LM XM-L T6 LED Diving Flashlight Torch Lamp Superbright Waterproof US N8WR Waterproof up to 60 meters submerged designed specifically for divers. Power supply: 1 * 26650 or 18650 battery (not included) Using 3*CREE XM-L T6 LED chip, brightness can reach 5000 lumen. Ideal for diving, exploration, rescue, anti-disaster, camping and other emergent situations. 8 switch modes: rotate switch to the left (4 modes) or right (4 modes).