Desc: Model Proton X50/X70; Other materials; Color classification: Baoteng X50 (4 pieces), all black without bright stripes, Baoteng X50 (4 pieces), thickened with 3D electroplated bright stripes, Baoteng X50 (4 pieces), thickened with stainless steel bright stripes, Baoteng X50 (6 pieces), thickened with stainless steel bright stripes, Baoteng X70 (4 pieces), all black without bright stripes, Baoteng X70 (4 pieces), thickened with 3D electroplated bright stripes, Baoteng X70 (4 pieces), thickened with stainless steel bright stripes, Baoteng X70 (6 pieces), thickened with 3D electroplated bright stripes, Baoteng X70 (6 pieces), thickened with stainless steel bright stripes; Service content supports installation