76042 The SHIELD Helicarrier LED Lighting Sets USB X 5 USB Power Input LED has been placed on the back side of the plate. USB-powered: Use a commercially available mobile charger or PC as a power source
https://www.youtube.com/watch?v=YD_tdB2BDT8

產品使用材質以下2款材料

PC硬塑膠殼
TPU軟質殼 

個人產品不接受退貨