Wahl Pro Hair Cutting Kit Professional Barber Machine Clipper Haircut Trimmer 25Description:Wahl Deluxe Chrome Pro 25 pc #79524-5201TRIMMER BATTERY INSTRUCTIONS select clipper kits include a battery trimmer , your kit may or may not include a trimmer • Remove battery cover from clipper by pushing in and back on the plastic do or in the direction of the arrow • IMPORTANT : be sure to insert the negative (-) end of each battery first , so that it depresses the spring at the top of the battery compartment , then slide the positive (+) end into position . Do not allow the negative terminal clips to bend and cut the casing of the batteries . Use alkaline batteries with your Wahl trimmer . Alkaline batteries will provide the longest operating time before battery replacement is needed . Trimmer should run approximately three hours on alkaline batteries • Replace battery cover to its original position . • Move switch to "ON" position to use • To maximizes battery life, trimmer should be shut "OFF" immediately after usingFeatures:Complete haircutting kit with multi-cut clipperTop of the line powerful multi-cut clipper with comfort grip, premium dura-chrome finish and taper control for adjusting the length you want to cutCompact battery operated s-trimmer with contoured shape for easy handling, perfect for touch-up or giving your haircut that pro lookMade for use in USA electrical outlets only. Not for international use.Dimensions: 9.88" x 9.13" x 3.00" (H x W x D)