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: 12A
Max Burst Current: 20A
Input Voltage: 7.4~14.8V (2~4S LiPoly)
BEC: OPTO
Dimensions: 26 x 15 x 6mm
Weight: 8g
Servo Lead: JR Type