The Castle Sidewinder SV4 12.6V Waterproof 1/10 ESC builds upon Castle’s most popular platform, the Sidewinder 1/10 series. The ESC is the first of its kind to run Castle’s CRYO-DRIVE technology that combines technology from cutting-edge hardware and software advancements to increase thermal performance. Cooler temps mean longer runs and more power! The Sidewinder 4 is a versatile ESC and is a great choice for short course, on road  and monster truck applications when paired with the correct motor, as well as rock crawlers when used in brushed mode.

Features:
2s - 3s LiPo; 6 - 8 cell NiMH use in vehicles up 6.5lbs with battery, ready-to-run
Sensorless brushless and/or brushed motor operation
Waterproof design ESC and splash resistant 30mm fan*
5.0 volts fixed, 2 amps Peak BEC
Audible alerts for error conditions
Enhanced drag brake functionality
Smoother sensorless startups
Convenient transmitter programming for six common adjustable settings
Additional settings and software updates available via Windows®-based Castle Link software and USB adapter (sold separately) or via Field Link Card (sold separately)
Telemetry Link  compatible for Futaba® S.BUS2 (sold separately)
Specifications:
Input Voltage Range: 2s - 3s LiPo; 6 - 8 cell NiMH
BEC Specifications: 5.0 volts fixed, 2 amps.
Operating Environment: Waterproof* design allows for use in nearly any environment
Brake: Proportional
Reversible: Yes, but may be disabled for racing.
On/Off Switch: Yes
Cooling Fan: 30mm fan included
ESC Size: 2.08x1.50x1.28" (52.92x38.05x32.56mm)
ESC Weight (w/wires): 2.26 oz. (64 g)
Connectors: 4mm female bullets for motor connection.
Items Needed for Operation: Brushless or Brushed motor, Battery Connector required; Castle 4mm polarized connectors, Dean's Ultra Plug, or Traxxas Power Connector recommended.
Application Guidelines: The Sidewinder 4 is a versatile ESC that can be used in a wide variety of applications. it can be paired with any 14xx series 4-pole brushless motors; it can also be used in a rock crawling application with a brushed motor down to a 19 turn.
Max. Recommended Vehicle Weight: No more than 6.5lbs with battery, ready-to-run.
Programmability: Fully programmable Castle feature set using Castle Link USB adapter (sold separately) and freely downloadable Castle Link Windows software.
Telemetry Link Capable: Yes