Overview
ZTW Beatles series ESC is a beginning level product line for fixed wing. This line product is specially designed for the beginner who is sensitive to price and performance. Also it is ready to use right out of box, every default is set for the best convenience of the customer, no programming needed. If you like to program for a change you can use our air program card (sold separately).It features light weight, small size, super smooth start up and throttle linearity, multiple protection, low cost and best performance at this level of product.

Features:
Extremely low internal resistance
Super smooth and accurate throttle linearity
Safety thermal over-load protection
Auto throttle shut down in signal lose situation
Supports high RPM motors
Power arming protection (prevents the motor from accidentally running when switched ON)
New Advanced programming software

Specifications:
Length 68mm
Width 37mm
Height 17mm
Weight 87g

Output Continuous 80A
Burst 90A (10s)
Battery 2-6Lipo/5-18NC
BEC Output 5.5V/3A

source from http://www.sp4mm3r.com