This Goldengulf diving flashlight is a must-have for any adventurer. The Cree L2 bulb provides powerful illumination, while the aluminum construction ensures durability. The waterproof design protects against water damage, making it the perfect accessory for any diving excursion. The flashlight is powered by one AA battery, which is included in the package. It is compact and lightweight, making it easy to carry wherever you go. The black color adds a touch of style to the design, while the features like waterproofing and material like aluminum ensure the long-lasting performance of the device.