Specifications Main Range of product Harmony GTO Accessory / separate part type Fixing kit Accessory / separate part category Mounting and fixing accessory Complementary Product compatibility Advanced touch panel 3.5 inch Advanced touch panel 5.7 inch Advanced touch panel 7 inch Advanced touch panel 7.5 inch Advanced touch panel 10.4 inch Advanced touch panel 12.1 inch Accessory / separate part destination advanced panel