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 HeadlampMaterial: Aluminum alloyGross Weight: 225g / 7.9ozSize: Lamp head length: 95mm / 3.7inPower Supply Battery: 1pc 18650 or 1pc 21700 lithium battery(not included)Light Source: Yellow lightLight Gear: High brightness, medium brightness, low brightness, explosive flash, SOSBrightness: 1500LMWaterproof Grade: IPX8Submergence Depth: 80m / 87.5ydSwitch: Middle button switch.Package List:1 x Lamp2 x Rubber Ring1 x Head Band1 x Battery Holder (Built in)