The Fenix E01 V2.0 is an incredibly small keychain flashlight that delivers 100 Lumens of brightness from its CREE XP-G2 S3 LED and a single AAA battery. With twist-head operation to control its three outputs, this CNC machined flashlight is available in black or blue and includes a durable key ring for easy carrying. In addition, the E01 V2.0 boasts an IP68 waterproof rating and no standby current, so you can leave the AAA battery inside without worrying about power loss. All in all, it's an ideal gift for those seeking a practical and straightforward keychain flashlight.