Nitecore TM03 2800 Lumens Cree XHP70 LED Flashlight w/Dedicated IMR Rechargeable Battery and LumenTac Battery Organizer Nitecore TM03 tactical flashlight is officially the brightest flashlight using single 18650, producing up to 2800 lumens of brightness with its instant turbo mode and instant strobe mode. Combining its four easily accessible brightness levels and memory function is your choice of tactical flashlight that supports most extraordinary tactical maneuvers and diversified usage scenarios from exploring, inspection, rescue and search to tactical deployments Includes a dedicated IMR 18650 rechargeable battery empowering the TM03 with incredible brightness at turbo mode while still maintaining an extensive runtime up to 30 hours at low model Its strong crenulated stainless steel bezel and high build quality make this light an intimidating tactical flashlight, a perfect choice for law enforcement and police Includes a dedicated IMR18650 battery, spare o-ring and holster as well as a bonus LumenTac battery organizer capable of holding 2x 18650 or 4x CR123A Batteries Battery type supported: Dedicated IMR 18650 (The TM03 can also operate on 18650 or 2x CR213A batteries, but will not be able to operate in Turbo Mode.) Dimensions: <ul class="a-unordered-list a-vertical"> Length: 6.25 (159mm) Head Diameter: 1.57(40mm) Tail Diameter: 1.18 (30mm) Weight: 7.52oz (213g)(without battery) 2800 lumens - Short Burst 1350 lumens - 45 min 550 lumens - 2 hours 15 minutes 40 lumens - 30 hours With the TM03 turned off, remove and replace the battery; Within 60 seconds of completing step 1, tighten the TM03&#039;s tail switch while pressing and holding the MODE switch; Upon completing step 2, the mode will be indicated as follows: : one flash when Suppressive Light mode (Mode 1) is selected, and two flashes when STROBE READY mode (Mode 2) is selected. <span class="a-text-bold">Direct access to turbo:</span> In any setting of the TM03, including power-off, press and hold the MODE switch for over 0.2 second to access turbo brightness, and release to resume previous setting. <span class="a-text-bold">Quick access to strobe:</span> In any setting of the TM03, including power-off, press the MODE switch twice in quick succession to access strobe mode, and press again to resume previous setting. <span class="a-text-bold">Direct access to strobe:</span> In any setting of the TM03, press and hold the MODE switch for over 0.2 second to access strobe mode, and release to resume previous setting. <span class="a-text-bold">Quick access to turbo:</span> In any setting of the TM03, press the MODE switch twice in quick succession to access turbo mode, and press again to resume previous setting.