Product Information:Uses: Suitable for 6.5/8/10 inch hoverboard refitting installationControl board size: about 16.8cm*10cm*2.7cm/6.61*3.94*1.06" (including capacitor height)Vice board size: about 10cm*5cm/ 3.94*1.97"Battery capacity light size: about 4cm*2.2cm/1.57*0.87"Leaf Light Size: about 7cm*2.2cm/10.63*0.87"Bluetooth module size: about 3.5*5.5cm/1.38*2.17"Switch wire, power cord length: about 25cm/9.84"Package Contents:1*control board2*vice boards1*switch wire1*Bluetooth mainboard