Universal Car GPS Head Up Display HUD Speed Alarm Digital Wind Shield Projector

Feature: Universal for all cars.Know your driving direction.Set a limit warning on your driving.Head-up display projects vehicle speed on windshield.HUD uses GPS to determine the true speed of the vehicle.Easy setup--plug & play- power through vehicle cigarette outlet jack, no professional installation is required.Compatible with All Cars & Trucks, Use GPS signal guided calculation, no wiring needed to the VSS (vehicle speed signal). Specification: Size: Approx. 7.4x4x1.3cm/ 2.9x1.57x0.51 "Working Voltage: DC8-18VWorking Current: 40mAsleeping Current: 15mACompass Precision: ±1°Speed Range: 0-400KMPower Supply Voltage: 12v12V Car Charger: 1000mAInput Signal: GPSApplicable Models: All modelsUse Temperature: -20 ℃ ~ +70 ℃Satellite Positioning time:Cold Start: 30sHot Start: 1sDisplay Function: Speed, GPS navigation, speed alarm Package Included: 1 X Speedometer1 X Non-slip Mat1 X Charger1 X Reflecting Sticker1 X User Manual5 X Adhesive Blocks