




We offer free standard shipping to every province and territory in Canada.
We offer free standard shipping to every province and territory in Canada. No minimum purchase is required, and all orders include tracking for your convenience.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Deliveries to Canada’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
In drone surveying, accurate ground control points anchor your aerial imagery to real world coordinates. The Cyiwniao 10 Pack GCPs offer bold, high contrast targets that remain visible across terrain and lighting conditions, helping you tie each photo to precise reference data without interfering with flight operations.
Product design combines practicality and visibility: each marker is a 24x24 inch triangle with a striking black and white pattern and clearly screen printed numerals 0 through 9. The five hole layout—four corners and a center hole—lets you fix the marker securely, reducing movement in windy conditions and ensuring consistent data capture.
Use these markers on construction sites, agricultural fields, or remote survey areas. They provide quick visual references for drone flight planning, data calibration, and map production, even when lighting shifts or ground conditions vary.
Notes manual size measurements may vary slightly; color tones can differ with screen settings. This 10 pack is built for repeated field use across diverse environments.
Designed to integrate with common drone mapping workflows, these markers help you structure data collection sessions and improve post processing consistency.
Q: What is included in the 10 pack Drone Ground Control Point GCP set?
A: Ten numbered triangular GCP markers (0-9) with four corner holes and a center eyelet, plus durable Oxford cloth.
Q: How should I use these markers for mapping with a drone?
A: Place markers at calibration points, fix them securely, and capture overhead imagery to link targets to coordinates during processing.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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