Philips Hair Clipper – HC5450 have advanced Dual Cut Technology which combines double- sharpened cutting element with reduced friction. Self- sharpening titanium bladed are harder than steel for ultimate durability. The turbo power button boosts cutting speed for a perfect cut even on the thickest hair. No- oil is need , for easy maintenance and to save your time. Use the clipper corded or cordless for maximum power and freedom, with 90 minutes of cordless power after 1 hour of charging.