True 5000 LumensOurs features an authentic brightness of 5000 lumens and allows manual adjustment between flood and spotlight modes. In spotlight mode, it can reach up to 347 feet and penetrate to a depth of 10 meters underwater. 5000mAh Rechargeable BatteryEquipped with a 5000mAh rechargeable battery, it fully charges in just 3 hours via a Type-C input. When fully charged, the flashlight can operate for over 15 hours. Additionally, it can also charge your phone through its USB output port. Alternatively, you can use three AAA batteries with the included battery expansion bracket and sleeve. 5 Main Light Modes and 4 Side Light ModesThis flashlight offers 5 main light modes: 5000LM, 2000LM, 800LM, FLASH, and SOS, along with 4 side light modes: 1000LM (Warm Light), 500LM (Warm Light), Red Light, and SOS. Waterproof & Multi-FunctionConstructed from aviation-grade aluminum alloy with a sealed design, this rechargeable flashlight achieves an IP45 waterproof rating and is shatter-resistant. Its multifunctional design includes: 1.A USB output port for charging electronic devices. 2.A battery expansion bracket for emergency situations. 3.A bottom magnet for attachment to any metal surface. 4.A hanging rope for easy storage anywhere.