Product Review

Features：
High performance MCU.
Mini size, lighter in wight. 
Optimized firmware is specialized for disc motor, excellent compatibility.
The firmware is specialized for multi-rotor, fast throtthle response during flying. 8 Timing setting , makes motors work with the best condition.
Exclusive ARRIS BLheli firmware, support Oneshot 125.
Support frequency of throttle signal to 500Hz max, compatible with various kinds of flight control (≥500Hz throttle signla is nonstandard signla)

Specification:
Programe: BLheli, support oneshot 125
Continuous Current: 20A
Burst Current (10S): 30A
BEC: 5V/1A
Lipo Cells: 2-4S
Weight: 10g
Size (excluding plugs): 28 x 15 x 6mm
Typical Applications (for reference): 330-550 Multi-rotor

Package Includes:
2 x ARRIS Swift 20A 2-4S BLHeli Brushless ESC

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