Wahl Professional Cordless Super Taper Hair ClipperThe mains/rechargeable function allows you to clip without the restriction of a cord and can be used on the cord if the charge is running low.Lithium-Ion battery technology means an outstanding 90-minute run time from a 120-minute charge time.The convenient thumb lever adjusts the taper & texture without changing the blades.Uses existing Super Taper combs for added convenience.LED light displays when the clipper is charging.Dual voltage for worldwide use.Ideal for those who are used to and prefer the Wahl vibrator clipper design but desire the convenience of cordlessBattery Charging Time: 120minBattery Operating Time: 90 minBlade: Chrome plated - screw fix.Cutting Length: 1-3.5mmPart Number: 8591-830 USING RECHARGEABLE CORD/CORDLESS CLIPPERS This unit may be used without a cord when fully charged. If battery power is low, a power cord can attach directly to the unit for continued use as a corded unit.Plug the power cord into an outlet at the correct voltage.Plug the power cord directly into the unit. Be sure the clipper is switched OFF when charging.FOR CORDED OPERATION, connect to the receptacle on the bottom of the unit. If your battery is completely run down, allow the unit to charge for 1 minute (switched OFF) before using it as a corded unit.If the cord is left attached to the unit when not in use, the cord will automatically charge the unit when left in the OFF position.