16mm carbon tube, high-strength center board with sub-board installation locationWheelbase 630mm, Weight is 692g, maximum load 2KG2212, 2216, 3108, 3110, 3508, 3510, 4108, and other motors are applicableIt is recommended to use 12 -15-inch propellersCan use Lipo battery 3S/4S /6S 2200mah-8000mAhInternal reserved APM damping plate mounting hole, suitable for APM/ PIXHAWK/ Naza, etc