Nextorch Tactical LED Flashlight 660 Lumens 172m Beam Distance with 5 Pre-Set Modes P8A 5 modes pre-set: Momentary on (660 lumens), High (660 lumens), Medium (280 lumens), Low (2 lumens), Strobe (10HZ, 660 lumens) PC programmable enabling you to adjust the brightness and strobe frequency, add new modes (including S.O.S, Blink, Morse Code...), delete unwanted modes, change the running order, and customize to your exact requirement. Rechargeable with a USB direct charge via computers, wall chapter, or in-car charger (battery & USB cable included) Duo switch keeps the tactical function always available at a single touch (even after re-programming the other functions). The intial dazzling beam is always just a touch away, to handle emergencies when they arise. The same switch gives access to all the other functions. The pre-programmed modes include a sustained dazzling beam, a softer light, and strobe, and these can be re-programmed to deliver the functions needed for your specialized situations. Meets ANSI/NEMA-FL1 standards