Description:This multicopter frame design similar to DJI S800， the two bottom carbon fiber tube with 60mm center to center for gimbal and battery holder installation. The center plate with built-in power distribution circuit for ESC soldering. Suitable for naza and others flight controller installation. This item included the DJI H3-3D， H3-2D Gimbal Adaptor.Don't miss this good quality frame! The best choice for FPV user.*DJI H3-2D Gimbal not included in this item.Recommended Combination:Brushless motor: 2212 KV980 ; 2216 KV880~900 ; 3108 KV720~900ESC : 30APropeller : 8038/9047/1038/1045/1047Battery : 3s-4s 2200mah-5200mahPackage Included:I set of S550 Multicopter Frame Kit with Gimbal Adaptor