Presenting the LEDLENSER K-Series Keyring Lights - a collection of compact, rechargeable LED torches that combine powerful illumination with versatile functionality. Designed to be more than just a source of light, these keyring lights offer features such as USB flash drive capabilities, shrill alarms, and sleek designs that make them essential accessories for a range of scenarios.Features and Benefits Designed to fit on a keyring, these lights are compact, lightweight and always in reach Easily rechargeable via the foldout USB-A interface The carabiner attachment allows the light to be easily secured to keychains, backpacks, or purses Transport Lock protects against unintentional switching on K4R 4GB and K6R 4GB come with integrated flash drive functionality, offering data storage on-the-go K6R Safety Models come with a built-in shrill alarm (100dB) to deter attackers or signal for help during emergenciesNotes K4R 4GB Key-Ring Rechargeable LED Torch: Rechargeable keyring light with 4