ZTW Spider Series 18A OPTO Multi-Rotor ESC 2~4S (BLHeli/SimonK Firmware)

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: 18A
Max Burst Current: 30A
Input Voltage: 2~4S LiPoly
BEC : OPTO
Dimensions: 43 x 22 x 12mm
Weight: 5.3g
Please note: No battery or motor connectors are supplied.