... 6.5cm connector length 8.5cm 2. Fan motot's advantage:1. The wind is big: cooper motor with the German ... , blue, yellow, three kinds of color design3. Security: leaf using EVA, more secure, even if touch, no safe hidden trouble4 ... lighter, more convenient, more stable, noise reduction6. Beautiful: Using small permanent magnet dc motor as head, with beautiful modelling, installation is convenient ...