Feature:1. POWERFUL LIGHTING: 5000lm of high brightness white light provides a wide range of illumination to ensure a good view while diving.2. IPX8 WATERPROOF: Designed with aluminum alloy and magnetic waterproof button, it can arrive 100 meters waterproof depth underwater.3. MULTIPLE LIGHT MODES: High brightness, medium brightness, low brightness and SOS mode to meet different diving environments and needs.4. FLEXIBLE BATTERY OPTIONS: Can be powered by 1 x 26650 Li ion battery or 1 x 18650 Li ion battery (battery not included).5. MULTI SCENARIO APPLICATION: Used in diving, snorkeling, camping and other underwater and outdoor activities, providing safe and reliable lighting.Specification:Item Type: Diving FlashlightProduct Size: Length Approx. 140mm/5.5in, Head Diameter Approx. 38mm/1.2inPower Supply Battery: 1x 26650 Lithium Battery or 1x 18650 Lithium Battery (both Not Included)Light Source: White LightLight Mode: High Light, Medium Light, Low Light, SOSMaterial: Aluminum AlloyProtection Grade: IPX8Control: Magnetic Control Waterproof ButtonBrightness: 5000LMGross Weight: 200g/7.1oz.Package List:1 x Flashlight1 x Lanyard2 x Spare Waterproof Rubber Ring1 x Battery Holder (Built Into The Body)Note:All data are measured manually, and there are certain errors in the measurement results.