• Highly efficient Cree® Surface Mounted Diodes (SMD) element produces an intense ultra-bright white light 
• SMD technology is more robust and produces more light than standard LED bulbs 
• Up to 100,000 hours' lifetime 
• Machined aluminum reflector gathers and focuses light for maximum output 
• Advanced Focus System allows user to focus from spot to wide angle beam 
• Aircraft grade aluminum body for durability and resistance to corrosion 
• Premium Stage III anodization resists scratches and meets military specifications 
• IPX-6 water resistant rating 
• Drop tested to 1.5 meters 
• Gold plated contacts prevent corrosion 
• 5-way switch cycles between 100%, 50%, 25%, flashing, and SOS model 
• Tail mounted switch for tactical applications (except model 849818 - JLFL-500) 
• Reverse polarity protection prevents damage if batteries are inserted incorrectly 
• Includes batteries, lanyard, and spare o-rings