Brushless motor.Interlock mechanism rotating rear handle.Blade easy replaceable mechanism.2Handles control.Comfortable soft grip.Diamond ground blade.Upgrade compatible.As you know, gasoimited and electricity is unlimited.Using our electric tools can save a lot of fuel a day, it means money! Gasos will be replaced by electric tools sooner or later, so why don't you grab the market earlier? More detials, please with me.I am Miro.Thanks.