Flashlights
prices on 691 modelTrinket
— as the name implies, such lanterns are small (up to 10 cm), allowing them to be worn, including and as a keychain on a bunch of keys. This is the most compact type of modern flashlights, designed primarily for ease of wearing and the ability to always have a light source at hand. Their power, respectively, is rather low, but it is quite enough for simple everyday tasks — for example, avoiding holes and puddles on an unlit street or finding a keyhole in low light.