Product Specifications: LM668 Touch Panel / Supports Point Drawing / Widened Heating Wire, LM668 Vacuum Machine / Comes with 55 Vacuum Bags, LM668 Vacuum Machine / Comes with 105 Vacuum Bags, LM777 Voice Version / Dual Motors Dual Pumps / Built-in Cutter / Detachable Sink, LM777 Vacuum Machine / Comes with 35 Vacuum Bags, LM777 Vacuum Machine / Comes with 55 Vacuum Bags, LM777 Vacuum Machine / Comes with 105 Vacuum Bags, LM999 Gesture Control Smart / Dual Pumps / Detachable Sink, LM999 Gesture Control Smart + 35 Bags, LM999 Gesture Control Smart + 55 Bags, LM999 Gesture Control Smart + 105 Bags