* 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
Features:
1. PCB adopts high-end 8-layer 2oZ thickened copper skin, which has stronger overcurrent capability and good heat dissipation. 2. MOS adopts imported 40V high current resistance MOS, long life with strong load capacity. 3. Adopt industrial grade LDO, high temperature resistance. 4. Using high-quality Japanese Murata capacitors, strong filtering performance Size: 40*30mm (20mm-20mm mounting hole) Packing size: u00f864*64*35mm Product net weight: 10g Package weight: 44g Flight controller parameters: CPU: STM32F722RET6 IMU: ICM42688 OSD: AT7456E Barometer: integrated Black box: 16M BEC: 5V/3A BEC:10V/2.5A Uart : 5 LED: Adjustable LED light Sensor: Built-in current sensor Firmware version: HAKRCF722D Receiver: Frsky/Futaba/Flysky/TBS Crossfire/DSMX: DSM2 receiver u00d8 ESC parameters: Firmware version: HAKRC_AT4G_Multi_32_9.Hex Protocol support: PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600 Input voltage: 2S-6S Lipo MOS Model: 7140 PWM: 24-128K Continuous current: 40A Peak current: 45A
Note: After upgrading the firmware of hakrc f4126aio,the sensor direction needs to be changed 1.Connect FC to BF and select u201cconfigurationinchs page. 2.In the u201cflight control and sensor directioninchs column on the right side of the configuration page, change the first gyroscope to cw 90 3.on the setup page. Calibrate the flight control accelerometer and reset the z-axis and test whether the flight control roll, pitch and yaw are consistent with the BF feedback direction. 4.please check and make safety preparations before takeoff in an open or relatively safe place to test the flight feasibility.
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.