The HUD display is an electronic alarm projector to show various information of car. It is no influence whether day or night for its high definition. Alert functions give your driving safety. 

Features:
Four alarm functions of speeding, shift, low voltage and water temperature.
Simple match of car speed + rotating speed, good compatibility. 
Display LCD 3inch, portable and easy for drivers to read data.
High-brightness screen, bright colors, the image is clear and thin.
Detect all important driving information through the OBD II system.

Specifications:
Model: A101
Material: ABS
Display Size: 3inch
Working Voltage: OBDII 12V
Working Current: 
   Maximum: 250Ma
   Standby: <20Ma
   Sleeping: <6Ma
Working Temperature: -40℃~85℃
Item Size: 8 * 5 * 1.4cm / 3.15 * 1.97 * 0.55in
Package Weight: 170g / 6oz
Package Size: 14 * 9 * 5cm / 5.51 * 3.54 * 1.97in

Package List:
1 * HUD Module
1 * Certificate
1 * OBD Line
1 * Manual
1 * 3M Glue Sticker