* 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: Kit Name: HU-063 Graphical Programming 51 Smart Car Kit Working voltage: four AA batteries (6V) (Package not includes) Maximum working current: under the condition of 6V voltage and no-load motor, it is about 230mA. Static working current (motor does not rotate): about 30mA. PCB size: 98mm*98mm
Features: 1. Control with mobile Phone APP and bluetooth. 2. Four modes can be switched by pressing the key. 3. Speed can be adjusted by pressing the key. 4. Multiple LEDs display the status of the car. 5. Learn programming with graphical programming software.
More details:
1. Mode key: Switch mode keys to infrared tracking (two red lights are on)- Bluetooth remote control (two red lights are flashing), ultrasonic obstacle avoidance (right red light is on), infrared obstacle avoidance-(left red light is on). 2. Speed button: 30% in the first gear-50% in the second gear -80% in the third gear-100% in the fourth gear. 3. Bluetooth module: Bluetooth remote control is realized, and the car is controlled by mobile phone core storm intelligent platform APP. 4. Ultrasonic obstacle avoidance module: ultrasonic wave detects whether there are obstacles in front, and automatically avoids obstacles when there are obstacles. The obstacle avoidance distance can be modified by graphical programming software. 5. Download interface: use our graphical programming software for nuclear storm to program, get started quickly, easily program the car and download the programmed content to the car. 6. Colorful light emitting diode: Show different states of the trolley. The two colorful LEDs in front of the car will flash. Two colorful light-emitting diodes will flash when the car retreats. Two colorful LEDs will flash before and after the car stops.
Received OK . I can not find the Bluetooth app in Android store, maybe the name is with Chinese letters. Also I can not connect it by USB to a computer to see the files , maybe I have not the specific driver . But it works well , it change the options from pushbuttons ( one for speed modify , the other for function : US avoiding obstacle, optical IR avoiding obstacle or optical IR track following ).
Received OK. I can not find the Bluetooth app in Android store, maybe the name is with Chinese letters. Also I can not connect it by USB to a computer to see the files, maybe I have not the specific driver. But it works well, it change the options from pushbuttons (one for speed modify, the other for function: US avoiding obstacle, optical IR avoiding obstacle or optical IR track following).
Received OK. I can not find the Bluetooth app in Android store, maybe the name is with Chinese letters. Also I can not connect it by USB to a computer to see the files, maybe I have not the specific driver. But it works well, it change the options from pushbuttons (one for speed modify, the other for function: US avoiding obstacle, optical IR avoiding obstacle or optical IR track following).
Received OK, in a tiny card box . It needs many solder operations and I do not know now the coding procedure . Probably it must to search for specific code on the internet .
Received OK, in a tiny card box. It needs many solder operations and I do not know now the coding procedure. Probably it must to search for specific code on the internet.
Received OK, in a tiny card box. It needs many solder operations and I do not know now the coding procedure. Probably it must to search for specific code on the internet.
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.