Ceiling fan substitute Pull chain cable twine wire three velocity three point zipper change Lamp speed laws shift Lighting equipment [name] three level 3 speed zipper switch [material] strengthen difficult plastics, copper. [Specification] voltage 250V, current 3A 33mm, broad 37mm, high 19mm. [method] the rear lid is marked with 1, 2, 3, L and 2: Line linked to the capacitor: connect with the fire line which above the fan: join the turn on the entrance of the professionals and cons for fan: Can modify the fan&;s high, medium and coffee 3 speed gear, the necessity to join the capacitor for lamps and lanterns: can regulate the management of the three items of lights. Reminder: change with the interface card, insert the wire is tightly locked.