BJWD Universal GPS HUD in Car Heads Up Display Digital Speedometer Warning Prompt

HUD is short for Head Up Display. It displays driving data on the front windshield such as speed, compass (directions) on the car's front windsheild. While driving the car you don't have to look down anymore to see the speedometer! You can read the speed of the car instantly without looking down and risking your safety! A5 HUD devise also allows you to set the speed warning alarm for your added safety. The moment you cross a safe speed alarm goes on alerting you to check your speed!
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Features:
Available for any car, easy to install, plug and play!
Two mode display: reflect on windshield or directly see on the sit up HUD screen
Screen 3.5 inch HD display
Multi-color design makes the screen more abundant and easier to read
Nano-technology to eliminate double reflections giving more clear reading.
Rich Contents: speed, compass, speed alarm, free switch between km and miles
Auto power on/off: HUD start and off with vehicle started and shutdown, effective protection of the car battery;retaining the manual switch mode,more easy to control HUD.
Automatic and manual brightness adjustment mode,driving without glare.
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Specifications:
Working voltage: DC8-18V ;
Light color: green light
Working current: 40mA ;
Sleeping current: 15mA ;
Compass precision: ±1°
Speed range: 0-400KM ;
Satellite positioning time: Cold start: 30s, hot start: 1s ;
Size:125x75x15mm
HUD weight: 40g

Package Includes:
1x GPS HUD Speedometer
1x Non Slip Mat
1x Cig/cigarette Lighter
1x Reflecting Sticker
1x User Manual