The compact Fenix E01 V2.0 keychain lamp is not even 7 cm long and is made of high-quality A6061-T6 aluminum. The blue housing is extremely robust and waterproof according to the IP68 standard. The lamp is operated with an AAA battery and provides 100 lumens for a maximum of 50 minutes in high mode. In low mode the Fenix E01 V2.0 creates a light duration of up to 25 hours with 5 lumens. The light range is up to 35m. With replacement O-ring and key ring.