S550 DIY Drone Kit Unassembly PNF 6-Axle Aircraft AirFrame with PIX4 Flight Control 30A ESC 930KV Brushless Motors 1045 Paddles      DIY Drone kit and unassembled, comes with high quality electronic accessories;   ESCs and Motors was soldered with 3.5mm banana connectors, Effectively avoid welding problems;   Only need to add a 2-3S Lipo battery and 6CH above radio system to complete assemble and fly;   Have Set Up The ESCProgram, Do Not Need Additional Program;   Colored Paddles for orientation to keep you flying in the right direction.      Package listing:   1* HMF S550 Hexacopter 6-Axle Frame Kit (F550 Upgraded) with Landing Gear   2* Pairs of 1045 CW+CCW Propellers (Black)   1* Pairs of 1045 CW+CCW Propellers (Red)   6* A2212 930KV Brushless Motor 15T   6* 30A Brushless ESC Speed Controller   1* Flight Controller Compatible for PIXHAWK   1* GPS with Compass   1* GPS folding antenna Mount      Parameters:   Brand: QWinOut   Wheelbase: 528mm   Flight Control: Flight controller compatible for Pixhawk   Motor: A2212 930KV Brushless Motor 15T   ESC: 2-4S 30A Brushless ESC Simonk Firmware with 5V 3A BEC   Paddle: 1045 2-blade Plasic   Loading weight: Up to 1KG under 3S battery (Battery Not included)      Airframe:   Wheelbase: 528mm   Weight: 550g      Motor:   KV: 930rpm/V   Min Current:  4A   Max Current 10A   Max Efficiency: 80%   No. Of Cells: 2-3 Li-Poly   Motor Dimensions: 27.5x30mm   Shaft Diameter: 3.17mm      ESC:   Working current: 30A   Output: Continuous 25A, Burst 40A up to 10 Secs   Input Voltage:2-4 cells lithium battery or 5-12 cells NiCd/NIMh battery   BEC:5V 3A   Max Speed: 210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM,35,000rpm for 12 poles BLM.(BLM: BrushLess Motor)   Features   1.Safety Arming Feature: Regardless the throttle stick position, the motor will not spin after battery connected.   2.Throttle Calibration: Throttle range can be configured to provide best throttle linearity, fully compatible with all market available transmitters.   3.Programmable Items:Brake Setting:brake enabled/brake disabled. Battery Type:Li-xx(Li-ion or LiPo)/Ni-xx(NiMh or NiCd). Low Voltage Protection Mode(Cutoff Mode):Gradually reduce the output power/Cutoff the output power. Low Voltage Cutoff Protection Threshold (Cutoff Threshold):low/medium/high. Start Mode: normal/soft/very soft. Timing:low/medium/high. Reset: reset all the programmable items to their default settings.   4.Full Protection Features: Low voltage cutoff protection/Over-heat protection/Throttle signal lost protection.         Precautions:   1. Do not modify any parameters and wiring without knowing the flight control and remote control.   2.