Tekvilla via Amazon offers Prime members the Albrillo Tactical LED Flashlight for $4.79 with free shipping. That's $8 off and the lowest price we could find. This water-resistant flashlight features an adjustable focus, five lighting modes, and 400-lumen maximum output. It can be powered by either one 18650 lithium battery or three AAA batteries, neither of which are included. Deal ends February 25.