Features: Speed/brake warning light/seat-belt indicator/clock/clearance light/high-beam/low beam/fog light/left turn signal/right turn signal/gear/door indicator and MPH-speed unit/battery level percentage/battery icon/energy progress bar/system ready/driving-time/mileage/overspeed warning/fatigue driving reminder. Intelligent HUD, original car data, synchronous projection, smartphone app connection, security alarm, real-time online navigation. The head-up display displays the current available battery level in real-time, convenient to know the vehicle information in-time. LED Screen with Automatic Adjustment: Vehicle HUD Display has high-definition LED to automatically adjust the screen brightness according to the current ambient-light, bringing a comfortable visual experience. Energy-saving: Time-LCD Display is powered by USB, and completely powered off with the vehicle flameout, with-zero power consumption. Specifications: Material:ABS+PC Size:Approx.12.8x11.6x3.2cm/5.03x4.56x1.25inch Color:Black For 3 Y 2019+ Ambient-temperature: -40~+80℃ Atmospheric pressure: 86-106kPa Relative humidity: 10% ~ 95% Environmental noise: ≤60dB(A) Alarm sound level: ≥30dB(A) Screen size: 4.0 inches Package Includes: 1x HUD Head Up Display note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.