- Underwater waterproof design: Sealed with triple waterproof o-rings and IPX8 rating; two-sided tempered glass lens enables use underwater at depth. - Durable and lightweight: Made from high-grade aluminum alloy, anti-corrosion, lightweight, and provides a comfortable grip; reliable and practical for one-handed operation. - Reliable dive flashlight for various activities: Essential companion for divers; suitable with diving gear and snorkeling enthusiasts; ideal for diving, swimming, fishing, hiking, sailing, caving, camping, and family use. - Bright, compact dive light: Compact and bright for diving, technical diving, cave diving, and wreck diving. - Suggested use scenarios: Deep-water night dive requiring dependable illumination; night snorkeling or swimming in low visibility conditions; cave or wreck exploration needs a compact, high-performance light.