TF19 rechargeable tactical flashlight use 1pc high performance CREE XP-L2 LED generates max 1300lm output. The lamp is powered by a 21700 battery to support at least 2 hours non-stop lighting. Areo-space aluminum material with hard anodized surface finish make the light much more durable. Med-section switch design, quick click the button to switch high, med, low, strobe, SOS modes after to turn on the light. Integrated type-C charging interface to recharge the battery instead of taking it out.