ARRIS Falcon Series BLHeli 20A 2-4S OPTO Brushless ESC for 170-330 RC Multicopter (Version A w/Soldering Board for Directly Assembling)

Features:

Copy this link to download manual: http://site.hobby-wing.com/manual/ARRIS-Falcon-ESC-Manual.pdf

Features:
Specially made for racing drones.
Mini sized! Original non-polarity CC makes it smaller and easy to build.
Light in weight, only 9.6g including cables, much lighter than the similar products.
F330 main control chip, imported top quality Mos and 3-in-1 driving IC, gives top throttle response, and free operation without any delay.
Support Damped Light, for fast deceleration and short brake, active continuation technique with low consumption and longer endurance.
Support Oneshot125 and max 500Hz with normal throttle signal. Compatible with all flight controllers available in the market.
Supporting 4S battery makes it be more swift and violent, suitable for players with requirement for flying 3D.
Use BLHeli open-source firmware, can update the firmware or write setup via signal cable; Also can change "Damped light" mode via signal cable with using BLHeli firmware, it improves the throttle response, when reducing the throttle amount, the motors slow down rapidly. It strengthens the stability and flexibility of multi-rotor, quite suitable for QAVs.
The twisted-pair of the throttle signal cable effectively reduces the crosstalk caused by signal transmission and makes flight more stable.

Specification:
Input: 2-4S lipo?
Constant Current: 20A
Burst Current (10S): 30A
BEC: No BEC, OPTO only
Dimensions: 27x12x5mm
Weight: 9.6g (with wires)
Use for£º 170-330 Multicopters

Package Includes:?
1 x ARRIS Falcon 20A BLHeli Brushless ESC (Version A, with Soldering Board for Directly Assembling)

Note: this is an OPTO ESC. You will need a 5V BEC to power your flight controller.