12v double speed strengthening style 12v two-speed high-end model 12v double speed high-end [three functional strips impact]] 16.8v two-speed engineering model 16.8v two-speed project [three functional strips impact]] 21v two-speed noble torque 21v two-speed noble torque [three functional strips impact]]

1 power 1 charge standard + bit accessories 1 power 1 charge luxury accessory bag 1 electric 1 plastic charging box + luxury accessory bag 2 power 1 charge standard + bit accessories 2 electricity 1 charge luxury accessory bag 2 electricity 1 plastic charging box + luxury accessory bag