Keychain flashlights. Small flashlights in the form of an easy and convenient to carry pendant attached to the element, without which we basically never leave the house, i.e. to the keys. Each keychain flashlight is equipped with a hole for attaching to keys, lanyards, etc. Depending on the model and manufacturer, the keychain flashlight has more or less functions. Depending on the type of product, the keychain flashlight has a lower or higher light output. This group includes models that provide a delicate light, illuminating e.g. only a keyhole, or another spot in a very limited range, as well as flashlights, key rings with greater power, which can be said to give full-size light power at a micro-size . Keychain flashlights are characterized by: small, comfortable size, easy to carry and use.