The Philips hairclipper HC7450 is built to last, and engineered to perform. The innovative cutting element, durable titanium blades and adjustable hair comb are designed to give you a fast, sharp cut, time after time. Power through any hair type with our advanced dualcut technology, which combines a double-sharpened cutting element with low-friction engineering. Select and lock in the length you want, with 24 lenghts settings from 0.5 to 23mm. The self-sharpening advanced titanium blades ensure long-lasting performance and accurate cutting, time after time. The turbo power button boosts cutting speed for a perfect cut even on the thickest hair. Model number: hc7450/33. Washable heads. Grades 1-8. Worldwide voltage for easy use around the globe. 1 hour charge time for 120 minutes usage. Titanium blades. For dry use. Corded or cordless. Self sharpening blades that sharpen themselves during use. Accessories include: travel pouch, scissors, blade guard, . General information: Rechargeable battery powered. Li-Ion . Manufacturers 2 year guarantee.