ProPolymax Flashlight Features TEN-TAP programmable switch allows user selection of one of three different programs high/low/strobe factory default , high only, low/high C4 LED output High 300 lumens 17,000 candela runs 2.75 hours, Low 50 lumens 2,500 candela runs 24 hours, Strobe runs 6 hours High-performance, anti-static, thermoplastic material resistant to chemicals and solvents Combination of visual and mechanical polarity protection ensures correct installation of batteries Light designed to not power on if batteries are installed incorrectly Powered by 4 alkaline batteries included Sealed switch design protects it from corrosion caused by battery leakage Smooth parabolic reflector produces a tight beam with optimum peripheral illumination Regulated run time provides consistent performance throughout battery life O-ring sealed, dust-proof, water-tight enclosure IP67 rated for dust-tight and waterproof to 1 meter for 30 minutes IPX4 for water Streamlight 4AA ProPolymax 4AA ProPolymax Yellow