Specification:      ESC and Motor was soldered with 3.5mm Female banana connectors, effectively avoid welding problems   Integrated PCB connections for direct soldering of your ESCs. Make your esc,power supply and other wiring more quickly and safely.   High quality and strong ability of anti-fall, lower maintenance cost. This F450 airframe are built by advanced engineering material of glass fiber and polyamide nylon, very strong materials which provides better resistance to damage on hard landings.   Colored arms for orientation to keep you flying in the right direction, and large mounting tabs on main frame bottom plate for easy camera mounting; Excellent quad-copter products using optimized design to provide adequate installation space for the flight control systems and accessories.   Pre-threaded brass sleeves for all of the frame bolts. Compact design with small numbers of components, you can assemble it by youself quickly and easily, suitable for both beginners and senior players. It can achieve hovering, cruising, even rolling and other flight         Frame:   Width: 450mm   Height: 55mm   Weight: 280g (w/out electronics)   Motor Mount Bolt Holes: 16/19mm   G.Weight: 395g   Wheelbase: 17.7in/450mm   Net weight: 272g   100% Brand new   Made by advanced engineering material, superstrong & smooth Kit      A2212 1000KV Brushless Motor   KV: 1000   Max Efficiency: 80%   Max Efficiency Current: 4-10A (>75%)   Current Capacity: 12A/60s   No Load Current 10V: 0.5A   No. Of Cells: 2-3 Li-Poly   Motor Dimensions: ?27.5 x 30mm   Shaft Diameter: ?3.17mm      2-4S 30A Brushless ESC   NOTE: We have set up the program, the ESC do not need additional program.   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.