Our Top 10 Picks:
The 10 Top Digital Compass For Car Reviews:
Bestseller No. 1 
ACECAR Digital GPS Speedometer, Car Universal HUD Head Up Display with Speed MPH, Compass Driving Direction, Fatigue Driving Reminder, Overspeed Alarm Trip Meter, for All Vehicle (G4S-Green)
- Multifunction Speedometer: Displays the speedometer, clock, number of satellites, direction of travel and other information in your driving view. You can safely view driving information without taking your eyes off the front, allowing you to relax and focus on driving operations more safely.
- Abnormal Alarm Function: Additional instrumentation with speeding and fatigue driving alarms make your driving safer and more comfortable.
- With Compass - Features a GPS navigation direction compass to help drivers by indicating directions. Equipped with a light sensor that adjusts its brightness according to different light, it is very clear in bright light, providing a safer day and night driving experience.
- Compatible Models: All models. Simply attach the GPS meter to the dashboard and install it in less than 1 minute without tools. Any compatible model can be easily installed.
- 6 Month Manufacturer's Warranty: The ACECAR HUD Head-Up Display will be repaired or replaced free of charge if it fails under normal use during the warranty period. Please contact us from Amazon's purchase history.
SaleBestseller No. 2 
KINGNEED C3060 Digital Universal Car HUD Head Up Display GPS Speedometer with Compass car Battery Voltage Display Plug & Play Truck Bus Vehicle Speed OverSpeed Warning Mileage Measurement
- 【MULTI-FUNCTIONS】 This GPS speedometer HUD not only displays the vehicle's driving speed in time, but also displays Single Driving Time, Single Driving Mileage, Total Driving Mileage, Local Time. Car battery voltage Let you know the key information for your trip.
- 【ALARM FUNCTION】 With Over Speed Alarm and Fatigue Driving Alarm function. Make your driving more safety.
- 【TIMELY AND ACCURATE 】Speed and compass data is from satellite, timely and accurate.In particular, the direction of the compass is driving direction, not affected by the magnetic field.
- 【UNIVERSAL FOR ALL VEHICLE】Collecting speed from GPS satellite. No relation with the car engine, therefore, it's 100% compatible for all vehicles include car, truck, pick-up, suv, scooter, train, motorcycle, bike, boat.
- 【ＭORE SAFETY】1. The shell is made of high temperature resistant material, which will not deform at 80 ℃ for 3 hours. 2. No built-in battery, no explosion ,at high temperature.
Bestseller No. 3 
GPS Speedometer Digital Car Compass HUD Car Head Up Display Universal with Speed MPH, Overspeed Car Alarm Fatigue Driving Reminder for All Car Motorcycle (White)
- MULTIFUNCTION GPS SPEEDOMETER: The car HUD displays speedometer, clock, number of satellites, direction of travel and other information in your driving view. You can safely view driving information without taking your eyes off the front
- OVERSPEED CAR ALARM: Additional instrumentation with speeding and fatigue driving alarms make your driving safer and more comfortable
- WITH COMPASS: Features a GPS navigation direction compass to help drivers by indicating directions. Equipped with a light sensor that adjusts its brightness according to different light, it is very clear in bright light
- SIMPLE INSTALLATION: Just mount the device near the dashboard or use the 360-degree rotating suction cup mount to mount the device to the windshield, USB cable link, plug and play
- WORKS FOR ALL VEHICLES: Compatible with all cars, truck, motorcycle, golf cart. Auto power on/off function, the HUD will start or turn off automatically with vehicle ignition, can effectively protect your vehicle's battery
SaleBestseller No. 4 
MR CARTOOL M60 Car Inclinometer Digital GPS HUD Pitch Angle Slope Meter MPH Speedometer with Compass for Off-Road SUV Vehicles
- 8 FUNCTIONS: Speedometer, Vehicle tilt angle, Pitch angle, Real-time monitoring of battery voltage status, Satellite time, Compass, Altitude and Coordinates, ensure your driving safety. The freely rotatable stand mount can ensure that there is always an angle that suits you
- SAFETY ALARM: Precisely show the pitch angle and tilt angle change of the vehicle, when one or both angle is over 40 degree the alarm alerts; When you exceed the speed limit, the alarm also alerts to insure your safety
- ADJUSTABLE: All three dials are on the one plane, which is clear at a glance. Long press the brightness button for 3s to enter the setting mode, that allows you to adjust the time, calibrate the slope, switch the KMH/MPH, etc.
- GPS MODULE: M60 Built in High-precision Satellite GPS Signal Module, automatically monitor vehicle driving conditions. Widely applicable to most Asian cars, American cars, and European cars
- WARRANTY: MR CARTOOL offers 24 MONTHS warranty and 7 x 24 Hours after-sale service. If you have any questions about the M60, you can contact us so that we can provide you with a solution as soon as possible
SaleBestseller No. 5 
Pyle Universal Vehicle Smart HUD Display - 2.6" Digital Mini Car Dashboard Heads Up Windshield Speedometer Projector System w/ GPS Navigation Compass, Displays Speed, Distance, Time and More - PHUD19
- PLUG AND PLAY: The Vehicle Smart HUD Display features a hassle free plug and play operation. Simply mount the unit near the dashboard. It is powered via the included cigarette lighter USB cable. Automatically syncs power ON and OFF w/ engine ignition
- 2.6 inches LCD DISPLAY: The car heads up system has user friendly control interface w/ digital multicolor 2.6 inches LCD display. It displays speed, distance, trip / local time, voltage and more. Also has clear readout visibility in day or night time driving
- GPS COMPASS: Features GPS navigation direction compass that aids the driver by indicating directions. Equipped with the new functions which are speed up and brake performance testing features and integrated light sensors for automatic image balance
- DUAL CORE PROCESSOR: Equipped with dual core computer processor for real time driving data. It also alarms when over speeding or when you reach 150 MPH which is the default setting. Features 8 level LCD display brightness adjustment
- UNIVERSAL MOUNT: This mini compact dashboard HUD display features universal vehicle compatibility and mounts inside automobile cars, trucks, vans and trailers. Designed to display driving information providing a safer day and night driving experience
Bestseller No. 6 
KIMISS LCD Digital Display Screen Car Compass, CD60 Multifunctional Digital Car Automobile Thermometer Gauge with Time Navigation Function
- High accuracy----Electronic compass can accurately display the current angle and azimuth. Compass digital display range (0 to 360 degrees) with accuracy of plus or minus 8 degrees.
- Practical function----It can display the temperature inside and outside the car at the same time.It is a perfect choice if you are in need of such a product.
- Perfect choice----- It is integrated with navigation compass, thermometer and clock all in one, compact size with multi function.
- Other features-----Our car thermometer also has time and calendar, week display function, it is convenient for you to read.
- Easy to use-----Large screen can accurately display time, it is convenient and practical to use.If you have any question,please get in touch with us as soon as possible.
Bestseller No. 7 
Automotive Compass Ball,Car Compass with Bottom Stick,Adjustable Compass with Adhesive Tape,Dashboard Compass for Boat Car Truck to Find Direction
- HIGH QUALITY MATERIAL: Made of ABS material, Corrosion proof and environmental friendly. Our car compass is sturdy and durable to ensure a long lifespan.
- CUTE DESIGN: The unique and exquisite design will bring more pleasure to your car and this automatic compasses will stimulate your desire to explore the unknown world. The rotating compass will guide and accompany you through every pleasant journey. Our rotating compass will offer precise direction to you when you enter into a new city or village.
- FASTEN ADHENSIVE STICKER: This car /boat automatic compass is equipped with adhesive sticker and you could stick it firmly to your car or boat. Very convenient and easy to operate.
- PERFECT GIFT: Packed in colorful box and this compass will be perfect gift for boyfriend,father,grandfather,parent,son,daughter,birthday,father's day.
- GOOD AFTER-SALE SERVICE: After purchasing our product, if you are not satisfied with our product during using, please contact us without hesitation or directly apply for 180-day unconditional refund return.
Bestseller No. 8 
Car Digital Compass with Clock Calendar Indoor/Outdoor Temperature Display
- Date, time display, 12/24 hour system conversion;LED backlight: blue
- Switch temperature display in C or F;Compass display,show the degree.
- Alarm clock and snooze function of 5 mins;Adjustable stand,velcro on the backside.
- The car's storage battery voltage show function.
- Outside tempreture display,measuring range: -50℃~70℃,inside tempreture display,measuring range:-10℃~60℃
Bestseller No. 9 
IQQI Car Compass Ball Navigation Direction Pointing Guide Ball with Suction Cup Car Decoration for Auto Car
- EASY TO READ: Adjustable mounting bracket and visible lubber line are designed for easy direction and data reading.（Note: This product does not contain batteries, no LED lights）
- Use: The compass is widely used for car, marine boat, truck and caravan. This is a great product to show you the right directions during driving.All compasses will be interfered by the magnetic field, so we suggest that the compass should be installed on the location with less magnetic interference instead of on the instrument panel where the compass will be affected seriously
- Convenient for finding your way without any other power supply or tools. Please note that the direction reading facing you is the reading of where you are heading and not where you are coming from.
- EASY TO INSTALL: Lightweight, easy to install and carry. Equipped with adhesive on the base, car compasses are more convenient for you to attach to any place you like. For example, a dashboard just simply sticks in front of your car.
- Guarantee: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails as soon
Bestseller No. 10 
ACECAR Digital GPS Speedometer, Universal Car HUD Head Up Display with Speed MPH, 100 KM Acceleration Time, Compass, Altitude, Driving Distance, Overspeed Alarm HD LCD Display, for All Vehicle
- Works for All Vehicles – Unlike other car head-up displays, this HUD is GPS+BeiDou dual-mode chip, so you don't need to worry about compatibility issues and latency problems. This GPS Speedometer is compatible with all vehicles worldwide and can display speed MPH, travel time, mileage, time, direction, etc. at the same time with fast refresh speed and no delay.
- With Compass - Features a GPS navigation direction compass to help drivers by indicating directions. Equipped with a light sensor that adjusts its brightness according to different light, it is very clear in bright light, providing a safer day and night driving experience.
- High-tech Speedometer - ACECAR HUD speedometer is equipped with HD LED screen for clearer information display, super mini design with decorative ambient light, full of technology, bringing more fun and technology to your driving experience.
- Plug And Play - The Vehicle Smart HUD Display features a hassle free plug and play operation. Simply mount the unit near the dashboard. It is powered via the included cigarette lighter USB cable. Automatic synchronization of power on and off according to engine ignition.
- Quality Service - Please note: This product works with 5V voltage, it is forbidden to use higher voltage power supply than 5V. CE FCC RoHS certified, excellent quality. If you have any questions about this product, please feel free to contact us. We will reply you as soon as possible and help you solve the problem.
Last update on 2023-03-22 / Affiliate links / Images from Amazon Product Advertising API