The Fenix E01 V2.0 is an ultra-compact, high-performance keychain flashlight designed for everyday carry. Despite its negligible size and weight, it delivers an impressive output of up to 100 lumens from a single AAA battery. Constructed with an all-metal CNC machined body and featuring a premium Type HAIII hard-anodized finish, this flashlight is built to withstand tough conditions. Its convenient rotating switch allows for easy one-handed operation across three brightness levels, making it a reliable companion for any situation. With an IP68 waterproof rating, it is suitable for use in various outdoor environments.