Extremely quite operation. Professional 2-speed clipper. High speed is over 4,000 strokes per minute. Runs so cool, fans and air vents that can become clogged with hair are not needed. Equipped with blocking blade for blocking, trimming, and carving. AG Detachable blades for ease of cleaning. Blades also fit Oster® Model A5 clippers. Locking switch button - will not accidentally shut off. Shatter proof housing. Maintenance free - no oiling or greasing of internal parts is needed. All Model AG blade sets are made of high quality carbon steel, specially hardened for long cutting life. 14' heavy duty cord. One year limited manufacture warranty.