Feature:1. Function: The display has functions of vehicle speed display, time display, solar charging(longer standby time), in vehicle temperature display, altitude display, fatigue driving reminder, overspeed alarm and auto start after vehicle start.2. High Performance: Imported chips, powerful performance, HD display, wide field of vision, automatic adjustment of display brightness.3. Stable Signal: The display obtains satellite signal data through the GPS Beidou satellite dual channel module, and the dual signal is more stable.4. Small Size: The cool mini body design, takes up little space, is also a car interior decoration, you deserve it.5. Premium Material: Made of premium ABS and PC material, which is high temperature resistant and wearproof.Specification:Item Type: HUD DisplayMaterial: ABS+PCPower Supply: 5VBattery: Lithium battery 400mAH 5V (built-in)Application: General.Package List:1 x HUD Display1 x USB Data Cable1 x Manual1 x Fixing Sticker