Olight i5T EOS Flashlight

The Olight i5T EOS puts 300 lumens in a package the size of a marker. Runs on a single AA battery (included), so you're never hunting for proprietary cells. Two modes: high (300 lumens, 1 hour) and low (15 lumens, 20 hours). The tail switch is tactile and positive — easy to operate even with gloves. The two-way pocket clip lets you clip it in any orientation. The aluminum body is impact-resistant and IPX8 waterproof (submersible to 2m). At 2.1 oz and 3.6" long, it disappears in a pocket or bag. Cool white or warm white LED options. The build quality at this price point ($25-30) is exceptional. Everyone should carry a small flashlight — you use it way more often than you'd expect.