Screenshot by Gamepur

You lot get the UV Flashlight in Dying Light 2 Stay Human on the PK Floating Fortress during the Welcome On Board mission. Meyer gives information technology to yous before long after you lot meet Major Jack Matt for the first fourth dimension. She tells y'all it'due south useful, but not exactly how to use it. You probably thought at first that this was going to be a powerful upgrade to your existing flashlight, but by at present you lot will accept discovered that this is not the instance. In fact, the UV Flashlight occupies a completely different place in your inventory to the regular flashlight, and is operated using totally separate controls.

Screenshot by Gamepur

The UV Flashlight is an accompaniment, similar throwing knives, decoys and molotov cocktails, so to apply it, you have to equip it first. Go to your inventory tab and select the accessories section. Select the UV Flashlight as one of your 4 equipped accessories, and then equip it.

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Screenshot by Gamepur

Now go somewhere dark, observe some Infected, and provoke them into attacking y'all. With the UV Flashlight equipped, press and concord LR/LT/MMB to switch off your regular flashlight and employ the UV Flashlight instead. Infected defenseless in the axle will stop and cower, making them vulnerable to attack, just the effect won't final long, as the battery life is limited and will need to time to recharge. The UV Flashlight isn't very effective when y'all first go it, but information technology can exist upgraded by a Craftmaster in exchange for Military Tech.