Timber Tuff CS-BWM Benchtop / Wall Mount Electric Chain Saw Chain Sharpener GreenColor: Green Features: 110V 60 Hz motor with an input power of 230 watts and a motor speed of 3600 rpm for a very powerful motor that will keep your chains working like new; ETL and CETL approved Sharpens chains from to with easy and accurate sharpening Easy to read adjustment guides make it easier to consistently sharpen your chains; see through safety shield and 15 watt work light gives you good visibility while sharpening Includes thermo overload