? Rechargeable Battery :No need to constantly replace batteries. Simply recharge the flashlight using a Type-C cable. ? Waterproof Design:This flashlight is designed to withstand harsh weather conditions, making it perfect for outdoor activities. ? High Lighting Distance :With a lighting distance of 100-200 meters, this flashlight is perfect for illuminating large areas. ? Multiple Light Modes :Choose from high, middle, and low light modes to suit your needs. Features: NON-DIMINISHING SUPER BRIGHT: Powered by SST40 LED, SP35 produces max 2000 lumens with a beam distance of 1089 feet (332meters) on Turbo. The constant buck driver enables SP35 to work at a stable brightness as long as the battery can last. USB-C fast charging cable: With a USB-C port, Sofirn SP35 can be completely charged in just 3 hours via a 2A adapter(NOT Included). It enjoys a max runtime of 7 hours on medium mode(400LM). The switch led turns from flashing Red to steady Green when charging is complete. MODE FOR EVERY SITUATION: Change from 4 modes(Eco/Low/Medium/High) at ease or hold to choose brightness between 1LM to 2000LM. Triple-click to activate Strobe modes for an emergency. It always gives you the suitable brightness whatever you are do ing. TOUGH and SAFE: High-strength, impact-resistant aerospace-grade aluminum body with IPX8 water-resistant. Withstand harsh environments like heavy rains, storms, and hurricanes. Advanced Temperature Regulation (ATR) technology to avoid over-heating. Safe to touch even when it's been on for hours. Specification 1.Emitter: 1x Luminus SST-40 with a lifespan of 50,000 hours 2.Operating voltage: 3.0V ? 4.2V 3.Driver: Constant current buck driver 4.Battery options: 1x 21700 rechargeable lithium-ion battery 5.Dimension: 126mm (length) 28mm (head diameter) 6.ight: 73 grams (without battery) 7.Flashlight body: Aerospace grade 6061 grade aluminum alloy, CNC manufactured to hard-anodized to military grade specification type III, anti-abrasive finish to get solid built body, anti-crash geometry and better heat exchange. 8.Toughened mineral glass lens 9.Water resistance i.a.w. IPX-8 (up to 2 meter under water, not for diving) 10.Mode Memory: memorizes the last brightness level used in the general modes (Eco/Low/Med/High) 11.Reverse polarity protection from improper battery installation 12.Low voltage warning: When the battery voltage is too low, the LED indicator in the side switch will start to flash rapidly. Please recharge the battery. 13.Low voltage protection: The flashlight steps down automatically when the voltage is lower than 3.0V. It also turns off automatically if the voltage gets too low. Please recharge the battery. Notice Operation Instructions Group 1: Stepped mode group (default) From OFF single click to turn ON. Press and hold to cycle through stepped modes (Eco ? Low ? Medium ? High). Single click to turn OFF. Double click to activate Turbo mode from OFF or ON. While in Turbo mode, single click to return to the previously used mode, double click again to activate Moonlight mode. Group 2: Ramping group Ramping mode gives you full flexibility to adjust brightness steplessly from Moon to Turbo level. From OFF single click to turn ON. Press and hold to change brightness steplessly (?ramp?). Ramping changes its direction when the button is being pressed again within 1.5 seconds. The light flashes once when it reaches the lower or upper end of the ramp. From ON single click to turn OFF again. Double click to activate Turbo level from OFF or ON. Another single click to return to the previously used brightness level, double click again to activate Moonlight level. From OFF, hold 1 second to turn on with Moonlight level. Toggle between Group 1 and Group 2 From ON 4 fast clicks to cycle between both mode groups. Strobe Modes Triple click to activate Strobe mode from OFF or ON., double click again to cycle through SOS - Beacon - Strobe. Electronic Lockout SP35 comes with a lockout function to prevent accidental activation, e.g. in one?s pocket or backpack. From OFF 4 fast clicks to activate lockout. Another 4 fast clicks to deactive lockout again While in lockout mode, hold the side switch to use Moonlight mode. Package included 1. with battery: flashlight, replace-orings, 1*21700 battery(,USB cable, user manual)