24V DC imported motor: 2 pcs 12V imported solenoid valve: 2 pcs Three syringe cold/hot: 2 pcs Touch control system: 1 set Touch assistant system: 1 set Saliva suction system: 1 pcs LED film viewer: 1 set Water storage control system: 1 pcs Tool tray air locking positioner: 1 pcs Safety emergency stop switch: 1 set Silicone protective cover for main and assistant trays: 1 set Removable and sterilized ceramic spittoon: 1 set Spittoon flushing and water supply control system: 1 set