Accessories and Parts -KK2.1.5 Multi-rotor LCD Flight Control Panel for RC Racing Drone Quadcopter Drone Highlights Generic Brand KK2.1.5 Multi-rotor LCD Flight Control Panel for RC Racing Drone Quadcopter Drone Description: Flight control board for multi-rotor aircraft (Tricopters, Quadcopters, Hexcopters etc) to stabilize the aircraft during flight. High performance, easy and convenient to use. Updated with an incredibly sensitive 6050 MPU system, making it the most stable KK card ever and allowing the addition of an auto-leveling feature. Uses signals from your radio system receiver (Rx) and transmits these signals to the Atmega644PA IC through the aileron, elevator, throttle and rudder inputs. Once this information is processed, the IC will send signals variables to the ESCs which in turn adjust the rotation. speed of each motor to induce controlled flight (up, down, back, forward, left, right, yaw). Size: about 51x51x12mm / 2x2x0.47 inch Specification: Built-in Flight Mode: Dualcopter Tricopter Y6 Quadcopter + Quadcopter X Hexcopter + Hexcopter X Octocopter + Octocopter X X8 + X8 X H8 H6 V8 V6 1S Aero Aileron 2S Aero Aileron 2M 2S Singlecopter Flying Wing Singlecopter 1M 4S Size Chart: IC: Atmega644 PA Gyro / Acc: 6050MPU InvenSense Inc. Auto Level: Yes Input Voltage: 4.8-6.0V AVR Interface: Standard 6 pin. Signal to Receiver: 1520us (5 channels) Signal to ESC: 1520us Firmware Version: V1.17S1 Package Include: 1 Piece Flight Controller Board Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be a 1-2 size error.