KK 2.1.5 LCD Multirotor Flight Control Board KK2.1.5 Newest V1.19Pro Quadcopter KK2 6050MPU 644PA

Features:

The 2.1.5 is functionally the same as the 2.1. 
Some minor changes have been made to the board including:
More Silk screening has been added to delineate polarity and functionality
Ground is now pulled from the Escs, which provides better reverse voltage protection.
Diode protection has been added to the buzzer to avoid damaging the board if you plug in power to the buzzer
Improvements have been added to the voltage sense accuracy

Specifications:

Size: approx. 36mm x 36mm x 15mm
IC: Atmega644 PA
Gyro/Acc: 6050MPU InvenSense Inc.
Auto-level: Yes
Input Voltage: 4.8-6.0V
AVR interface: standard 6 pin.
Signal from Receiver: 1520us (5 channels)
Signal to ESC: 1520us
LCD size: 24*18mm
Voltage sensor: One red positive pin header for.
Input rail: Single row 2.54mm pitch pin header for input signal

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5. We will reply you within 24 hours.
6. OEM quality and original quality are acceptable.
7. About the warranty, if you have any problem about the goods after received it,you can  tell us on time.We will make sure to give you a satisfactory solution. 
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