Sofirn HS41 Headlamp 4000lm 21700 USB C Rechargeable with Power Bank Flashlight SST20 LED Torch Indicator

The Sofirn HS41 is a right-angle flashlight designed to meet your high-performance lighting needs. Equipped with four SST20 LEDs, the HS41 delivers an impressive maximum output of 4000 lumens, providing you with a bright and reliable light source. Whether you're camping, hiking, or exploring, the HS41's powerful beam illuminates your surroundings, ensuring excellent visibility and safety. Powered by a single 21700 battery and featuring an intuitive user interface, the HS40 is a reliable companion for everyday use.Specifications1. Emitter:4LUMINUS SST-20 LEDs2. Battery Option: 1x 21700 battery3. Working Voltage: 2.7V-4.2V4. Standby Drain: ≤130uA5. Input: Type-A to type-C 5V 3A6. Maximum Charging Current: 3A7. Material: A6061-T6 aluminium alloy8. Water Resistance: IP68 waterproof9. Smooth reflector10. Lens Type: Toughened lens11. Size: 30.1 29* 115mm12. Weight: 79g(without a battery)13. Spotlight beam angle: 25°,floodlight beam angle: 96° 14. Advanced Temperature Regulation (ATR) technology: ATR automatically adjusts the brightness when the Light's temperature rises to prevent overheating. 15. Low Battery Protection: If the battery is low, the torch will automatically switch to low output mode. 16. Voltage warning: If the battery voltage falls below 3V, the indicator light will flash redBattery Installation Bfore first use, please unscrew the tail cap and remove the insulating paper. If the battery needs to be replaced,  make sure that the ositive end of the new battery faces the flashlight head when you put it in.Battery Level IndicatorAfter turning on the HS41, the indicator will display the power status for 5 seconds.  Green = remaining battery power is good(70% - 100%).  Red = remaining battery power is poor(30% - 69%).  Flashing Red = critical power(less than 30%), please replace or recharge battery.