120A-SL 150A-SL 2-4S Electric Speed Controller Waterproof RC Model ESC Sensorless for 1/8 RC Car Off-road Buggy Monster Boat Toy _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 120A-SL 150A-SL 2-4S Brushless ESC Electronic Speed Controller with 5A/5.8V BEC RC Speed Controller for 1/8 RC Car Off-road Buggy Monster Boat Toy _x000D_ Feature: _x000D_ 1. Waterproof: The sensorless brushless ESC is waterproof and dustproof, suitable for all-weather competition. (Note: Before using this ESC in water, please remove the cooling fan; please wash and dry as soon as possible after use to avoid rusting of the connector.) _x000D_ 2. Design: Waterproof ESC external programming interface, easy to connect the program card when setting the ESC; proportional brake, 4-speed maximum braking force adjustment, 8-speed dragging braking force adjustment; _x000D_ 3. RC Electric Speed Controller: 9-speed acceleration (punch) adjustment, from "soft" to "very aggressive", to suit different models, tires and tracks. _x000D_ 4. Multiple Protections: Low-voltage power-off protection, overheating protection, throttle signal loss protection, and motor lock-up protection. _x000D_ 5. Compatible with Optional Equipment: Portable digital LED program card, especially convenient for outdoor use. Specification: _x000D_ Use: Vehicles & Remote Control Toys _x000D_ Model Number: ESC _x000D_ Remote Control Peripherals/Devices: ESC _x000D_ RC Parts & Accs: Speed Controllers _x000D_ Product size: 5.8x4.8x3.5CM/2.28x1.89x1.37in _x000D_ Product material: ABS+electronic components _x000D_ Style (optional): 120A, 150A _x000D_ Burst current control current: 120A/600A 150A/720A _x000D_ Sensorless Brushless Motorcycle _x000D_ For 4s Lipo or 12-cell NiMH: For 4s Lipo or 12-cell NiMH _x000D_ 1. Highway: 40x size or smaller motor, kV