The SL65, another member of the Slim Line series, delivers an astounding 759 lumens according to the ANSI FL1 standard (always measured using the batteries supplied with the flashlight – in this case two CR123A lithium cells). The multi-battery system also allows use of an 18650 rechargeable battery. For convenient operation, users can count on the standard Pro control sequence (100, 40, 10 percent plus Tactical Defense Strobe, which can be activated from any switch position, even when the flashlight is off). Watertight with a rating of IPX4, with clip.