The Nitecore T4K Keychain Flashlight is a powerful and compact torch that is perfect for everyday carry. With a range of up to 25 metres, this black aluminium torch boasts 4-6 lights that are powered by a Li-Ion battery, which is included in the package. Designed with LED lighting technology, this torch has an IP54 rating and an operating time of more than 10 hours. The Nitecore T4K is a must-have for those who need a reliable and bright light source that can fit in their pocket or on their keychain.