* Estimated delivery times start from the date of shipment, excluding processing time.
* Actual delivery times may vary due to holidays, weather conditions, or customs delays.
Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.
Free Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.
Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.
1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side.Final sales items or free gifts are not acceptable for a return.To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier. We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom
color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment.Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471
Specifications: Product Name: Car Head-Up Display (HUD) Dimensions: 99.5mm x 65mm x 20mm (3.92in x 2.56in x 0.79in) Operating Voltage: 5-25V Operating Temperature: -20°C to +85°C (-4°F to 185°F) Display Functions: Speed, Compass, Over-speed Warning
Features: - Universal Compatibility: The HUD incorporates both GPS and BeiDou (BDS) dual-mode chipsets. Regardless of the type of vehicle, as long as there is gps coverage, the device functions seamlessly, making it adaptable for all cars.
- Precision GPS + BDS Dual-mode Chipsets: Offering real-time synchronization with both GPS and BeiDou signals, this HUD ensures flawless accuracy and high refresh rates without any delay. Capable of receiving up to 32 , it guarantees superior performance compared to single-mode devices.
- Automatic Brightness Adjustment: Engineered with advanced automatic light-sensing technology, the H4 HUD adjusts its display brightness according to environmental light conditions. Clear and visible during daytime while maintaining a soft and non-distracting glow at night, it ensures optimal readability at all times.
- Over-speed Warning Functionality: The HUD allows users to preset an over-speed warning threshold (default set at 120KM/H). When the vehicle exceeds this limit, the device emits a beep sound to alert the driver, promoting safer driving habits.
- Compact and Portable Design: With its sleek dimensions of 99.5mm x 65mm x 20mm, the H4 HUD is designed to fit perfectly on any dashboard without obstructing the driveru2019s view. The compact design makes it easy to install and remove, catering to both temporary and permanent placement needs.
Package Included: 1 x H4 Main Unit 1 x USB Cable 1 x User Manual 1 x Reflective Film 1 x Anti-slip Double-sided Tape
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
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