Feature: 1. 1500LM High Brightness: Adopts premium LED lamp, this diving headlight has a high brightness up to 1500lm, And LED chip has a long service life up to 100000 hours. 2. 5 Gear Lighting Modes: Yellow light color temperature, 5 gear lighting modes of high brightness, medium brightness, low brightness, explosive flash and SOS. One button switch adjustment, to meet different underwater lighting needs. 3. IPX8 Waterproof: This professional underwater head lamp is highly waterproof, can dive to 80m underwater, long service life, better protection. 4. Impact Resistant: Aviation aluminum alloy lamp body, anodized, enhanced heat dissipation, strong impact resistance, seawater corrosion resistance, scratch resistance. 5. Underwater Headlamp: This LED headlight is very suitable for diving, swimming, underwater exploration, heavy rain and snow and other environments. Specification: Item Type: Diving Headlamp Material: Aluminum alloy Gross Weight: 225g / 7.9oz Size: Lamp head length: 95mm / 3.7in Power Supply Battery: 1pc 18650 or 1pc 21700 lithium battery(not included) Light Source: Yellow light Light Gear: High brightness, medium brightness, low brightness, explosive flash, SOS Brightness: 1500LM Waterproof Grade: IPX8 Submergence Depth: 80m / 87.5yd Switch: Middle button switch. Package List: 1 x Lamp2 x Rubber Ring1 x Head Band1 x Battery Holder (Built in)