Features:

• 20 lumens; 120 candela; 22-meter beam distance; runs 1 hour
• Powered by (1) AAAA alkaline battery (included)
• Rotating on/off head switch
• Non-rotating snap hook for easy one-handed operation when attached to a keychain
• LED technology impervious to shock with a 50000-hour lifetime
• 6000 series machined aircraft aluminum with anodized finish
• IPX7 waterproof to 1m for 30 minutes
• 2-meter impact resistance tested
• Length: 2.2 in (5.7 cm); Weight: 0.6 oz (18g)
• Limited lifetime warranty