Streamlight 74752 Strion LED High Lumen Rechargeable Professional Flashlight with 120-Volt AC/12-Volt DC Charger and 2-Holders - 500 Lumens C4 LED technology is impervious to shock with a 50,000 hour lifetime Lithium ion battery is rechargeable up to 1000 times; fully recharges in 3 hrs Deep-dish parabolic reflector produces a concentrated beam with optimal peripheral illumination Regulated run time provides consistent performance throughout battery life Durable anodized aluminum construction with knurled body for a sure grip