Optimal Design for FPV Enthusiasts: Experience the thrill of flight with the KOLAS 7inch Drone Frame Kit. This 7-inch, 298mm foldable frame is meticulously designed for long-range FPV adventures and freestyle maneuvers, ensuring robust performance and enhanced durability. Compatibility and Convenience: Fully compatible with O3, this frame kit facilitates seamless integration with one of the leading drone technologies. Its foldable design makes it incredibly convenient for transport and storage, allowing you to take your drone wherever the action is. Construction: Built to withstand the rigors of frequent flying, the KOLAS 7inch features high-quality materials that promise and reliability, making it a smart investment for serious FPV drone enthusiasts. Wheelbase: 298mm Frame weight: 257g Lower plate thickness: 2.5mm Arm thickness: 6mm Camera spacing: 14-20mm Flying tower installation holes: 20&30.5mm(M3) Upper plate thickness: 2.5mm Image transmission installation holes: 20&20.5&30.5mm(M2) Carbon plate material: T700 Propeller installation size: Max 7 inch Electrical layer height: 30mm Motor installation holes: 16 x 16&19 x 19mm(M3) Recommended motor: C287 KV1350 Recommended battery: 1800-2600mah 6S LiPo battery VTC6 3000-4000mAh 6S 18650 Recommended flytower: Stack 50A Recommended propeller: HO 7035 Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: As shown Material: ABS Package Contents: 1 * FPV Drone Frame Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.