This is the Castle Creations Sidewinder 4 12.6V, 2A BEC, Waterproof Sensorless ESC. While the all new Sidewinder 4 builds upon Castle’s most popular platform, the Sidewinder 1:10 Scale Series, it is the first of its kind to run Castle’s newest technology, Cryo-Drive. Cryo-Drive combines technology from cutting-edge hardware and software advancements to increase thermal performance. Cooler temps mean longer runs and more power in your Sidewinder 4 setup. The Sidewinder 4 is a versatile ESC and is accepted in a wide variety of applications. Whether throwing dirt, ripping through a corner or steadily dominating the trails, Castle has you covered!

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)

Specs:

• Input Voltage Range: 2s - 3s LiPo; 6 - 8 cell NiMH
• BEC Specifications: 5.0 volts fixed, 2 amps
• Length: 2.08" (52.92mm)
• Width: 1.50" (38.05mm)
• Height: 1.28" (32.56mm)
• ESC Weight (with wires): 2.26 oz. (64 g)
• Connectors: 4mm female bullets for motor connection.