Features: Made of aluminum alloy, durable, anti-abrasive, drop-resistance and waterproof, serve you for a long time. Professional dive flashlight design can dive to 100 meters. 1600 lumens with constant current, stepless dimming for a variety of occasions. Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent. Use 1 x 18650 or 26650 rechargeable battery, 26650 battery works longer. With a lanyard, easy to caryy. Perfect for diving and other outdoor activities. Specification: Material: Aluminum alloy Length: 136mm/5.35in Head diameter: 1.50in Bottom diameter: 1.46in White color temperature: 6000-6500K Diving depth: 50 meters (predicted value) Diving range: over 100m Waterproof rating: IPX8 Lumen : 1600 lumens Gear position: stepless dimming, from dimming (Forward/Backward) Working voltage: 1 x 18650/26650 (Not included) Color: Black Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Diving Flashlight 1 x Lanyard 2 x Seal Ring