LightFin Flight Sharing · Full Refund Event

Buy LightFin, fly it, get a full refund!

Event Period

From now until June 15, 2026 (inclusive).

How It Works

1. Purchase a LightFin flight controller during the event period. Note: Only purchases from the "鲸奇体验店" (JingQi Experience Store) are eligible.
2. Within 2 months of purchase, submit the following to receive a full refund:
   • HD photos of LightFin installed on your aircraft or boat (at least 3 photos)
   • A roughly 30-second flight/sailing video
3. Photos and videos must clearly show the LightFin flight controller installed and in use.
4. How to submit: Send your photos and video (packaged together) to e.255mail@gmail.com, along with your Taobao order number and the Alipay account for receiving the refund. Refund will be processed after review.
5. Submitted photos and videos may be used by HumpbackLab in edited videos. By submitting a refund request, you grant HumpbackLab permission to use your photos and videos.

For Existing Customers

If you purchased LightFin before this event started, you can still participate. Your "purchase date" will be treated as May 24, 2026. Please submit your photos and video by July 24, 2026. Submissions after this date will not be accepted.

Notes

• One entry per person (per Taobao order).
• Photos and videos must be original content. Do not use others' materials.
• Failure to submit within 2 months of purchase constitutes automatic forfeiture. Late submissions will not be accepted.
• Refund covers the flight controller purchase price only, excluding shipping fees.
• HumpbackLab reserves the right of final interpretation for this event.

Purchase

Buy LightFin on Taobao

Contact

• QQ Group: 763833895
• Bilibili: HumpbackLab Studio
• GitHub: HumpbackLab