Feature: 1. Powerful Brightness: Powerful 3000LM LED light illuminates underwater depths of up to 100 meters, allowing you to fearlessly explore in the dark. 2. Multiple Lighting Modes: Switch between high, medium, low, ultra low, and SOS modes by simply clicking the flashlight head, with a quick double click for strobe, adapting to different diving environment needs. 3. Aluminum Alloy Material: Diving flashlight is made with durable aluminum alloy material, lightweight and waterproof, shock resistant and crash proof, ensuring long lifespan. 4. Safety Protection Rating: IPX8 waterproof rating enables normal operation in water depths of up to 100 meters, meeting professional diving requirements. 5. Battery Powered: Supports the use of either 1x18650 or 1x26650 lithium batteries (batteries not included), providing convenience for carrying and replacement. Specification: Item Type: Diving Flashlight Material: Aluminum Alloy Weight: Approx. 291.00g / 10.26oz Product Size: Approx. 145x50mm / 5.7x2.0in Power Source: 1 x 18650 Lithium Battery or 1 x 26650 Lithium Battery (Not Included) Light Source: White Light Light Modes: Single Click (High, Low, Medium, Ultra Low, SOS), Double Click (Strobe) Protection Level: IPX8 Depth Rating: 100m / 328ft Brightness: 3000LM. Package List: 1 x Diving Flashlight 1 x Lanyard 2 x O Rings 1 x Battery Tube Sleeve(Placed in the Flashlight)