A. The product is a computer engineering glass lens. B. The housing is made of aviation aluminum material through CNC machining. C. The surface is anodized with hard oxidation treatment, featuring wear - resistance. D. The aluminum retaining ring can effectively protect the core components of the flashlight head. E. Switch type: Waterproof magnetic control switch. F. Waterproof rating: IP68. It can be used underwater at a depth of 50 meters, and the lighting distance on the shore reaches 100 meters. G. It uses 1 rechargeable 18650 or 26650 battery. H. Product dimensions: 136×38×36 mm; Packaging dimensions: 170×50×50 mm. I. Model: AF05D. J. It uses 1 L2 LED with a service life of up to 100,000 hours. K. Lumen value: 1000 lumens. L. Lighting modes: High - light, medium - light, low - light, and flashing. M. Diving depth: 80 meters. N. Color: Black. O. Material: Aluminum. P. Packaging contents: - 1 folding stool. - 1 storage bag. - 1 scuba diving flashlight (excluding 18650 or 26650 battery). Q. It only includes the above packaging contents and no other products. R. Note: The color of the item may vary slightly from the actual product due to lighting and different monitors. The measurement error is allowed to be ±1 - 3 cm.