GigaMax(TM) 4Pcs Original ZTW Spider Series 20A OPTO Brushless Speed Control ESC 2-6S Lipo for Multicopter Qudcopter Airplane Part

Overview:
ZTW Spider OPTO ESC are quality speed controllers and designed for simple installation and easy setup these ESCs have proven to offer excellent performance in Multi-rotor applications. If your starting out in Multi-rotors and need an easy to install solution that is tested and proven to work with Multi-rotor craft then these speed controllers have you covered. Aslo we have wide range of products in this product line.
These ESC's features a very smooth yet linear throttle response, without sacrificing a rapid, crisp, response to any throttle input. Super fast Refresh Rate up to 600Hz make these a very smooth controller. That is to say support PWM input rates up to 600Hz for great response on your quad-copter. Fashion design and high quality with best performance but sells at very reasonable price.

Features:
1.Extremely low internal resistance
2.Super smooth and accurate throttle linearity
3.Safety thermal over-load protection
4.Auto throttle shut down in signal lose situation
5.Supports high RPM motors
6.Power arming protection (prevents the motor from accidentally running when switched ON)
7.Use new generation of the MOSFETs to make sure the ESC with low heating and more reliability

Specifications:
Continuous Output: 20A
Burst Output: 30A
Max. Power: 380W
Battery: 5-18NC/2-6Lip
Length: 43mm
Width: 25mm
Height: 9mm
Weight: 23g
Package size: 12 * 10 * 7cm / 4.8 * 4.0 * 2.8in
Package weight: 145g / 5.2 oz

Package list:
4 * Original ZTW Spider Series 20A OPTO Brushless ESC