4Pcs A2212 1000KV Brushless Motor 13T + 4Pcs 2-4S 40A RC Brushless ESC Simonk Firmware 5V 3A BEC Electric Speed Controller for 2 to 3s Lipo Battery, for 450-550 Wheelbase DIY Drone Kit

About This Product :

• Already solded with 3.5mm banana connectors, effectively avoid welding problems.
• Suitable for DIY RC Quadcopter Helicopter Copter KKmulticopter 4-Axis/6-AXIS Aircraft UFO
• We have set up the program, the ESC do not need additional program
• Universal SimonK Firmware 40A ESC Brushless Speed, Controller,super simple. Small size combined with light weight for easy installation.
• Military standard capacitor of extreme low resistance increases the ability of prevention of unwanted RF noise during flying. Extreme low resistance PCB is helpful for getting a super current endurance capability, Microprocessor uses separate voltage regulator IC, with good anti-jamming capability.