The ZTW Spider series of ESCs are a great choice for any size of multi-rotor.

Designed from the ground up for simple installation and easy setup and pre-flashed with SimonK OneShot 125 firmware to give a fast, super-smooth, linear throttle response which is ideal for multi-rotors.

Alongside the superb build quality, ZTW Spider ESCs feature thermal overload protection and auto throttle shut down in case of signal loss.

Features:
? Developed specifically for multi-rotor use
? Pre-flashed from the factory with SimonK firmware
? Uses powerful, high performance MCU
? Super-smooth and accurate throttle response
? Auto throttle shut down in signal lose situation
? Safety thermal over-load protection
? Safe start, motor will not run until ESC is armed correctly
? Low internal resistance
? Programmable via throttle stick (see instructions under “Files” tab)

Specs:
Constant Current: 30A
Max Burst Current: 40A
Input Voltage: 7.4~22.2V (2~6S LiPoly)
BEC: OPTO
Dimensions: 60 x 20 x 8mm
Weight: 23g
Servo Lead: JR Type

Please note: No battery or motor connectors are supplied.