Nitecore SRT6i Tactical Flashlight Rechargeable With a powerful 21700 battery and a High Performance LED. Three light levels and strobe function. End cap has an On/Off switch and the switch for the Strobe and Turbo mode. With the Smart Selector Ring for enabling TAC Mode, light levels and Lockout Mode. Suitable for tactical and military activities and for security officers. Rechargeable via USB-C connection and the included rechargeable Li-Ion battery (21700, 5000mAh) can remain in the flashlight while it is being charged. Black aviation aluminum housing with detachable belt clip. Waterproof according to IP68, drop resistance 2 meters. Lens with anti-scratch coating, bezel made of high-strength silicone-nitride ceramic. With power indicator and ATR temperature control. Operates on a rechargeable 21700 Li-Ion battery (NL2150HPi, 5000 mAh) while also being compatible with 2x CR123 or 2x RCR123 batteries. With the 21700 Li-Ion battery (NL2150HPi, 5000 mAh) there is a maximum burning time of 70 hours, the LED lamp delivers a maximum of 2100 lumens and the maximum beam distance is 510 metres. Included are: 21700 Li-Ion (NL2150HPi, 5000 mAh) rechargeable battery, USB-C charging cable, holster, clip, lanyard, replacement sealing ring, CR123 battery adapter.