Klarus XTQ1 LED Flashlight Ultra-Quiet Tactical with CREE XM-L2 U2 LED - 800 Lumens - Uses 2 x CR123A or 1 x 18650 (XTQ1) Maximum output of 800 ansi lumens Non-visual touch operation offers more convenience in the dark This flashlight is made to be completely silent when activating Perfect if you want don't want noisy clicking sounds upon activation