Features: Waterproof and dustproof for all-weather competitions; (Note: Please uninstall the cooling fan before using this ESC in water; Clean and dry it soon after use to avoid the connectors getting rusty.) External programming port, easy to connect to the program card when setting the ESC. Proportional brake with 4 steps of maximum brake force adjustment and 8 steps of brake force adjustment. 9 steps of acceleration (punch) adjustment from "soft" to "Very aggressive" to suit different kinds of models, tires and tracks. Multiple protections: Low voltage cut-off protection / Over-heat protection / Throttle signal loss protection / Motor lock-up protection. One-button (“SET” button on the ESC) to set the ESC, and easy to reset all parameters to the factory default settings. Optional device - the portable digital LED program card, especially convenient for outdoor use. Specification: Material: Plastic+PCB Color: Shown as pictures Weight: 80g Optional: 45A, 60A, 80A, 120A Type: RC Model Part & Acces 45A ESC Specification: Continuous Current: 45A Burst Current: 180A Battery: 2-3S Li-Po BEC Output: 5.8V / 3A (Switch Mode) Power Plug: for T-connector male Dimension: 48 * 38 * 34mm 60A ESC Specification: Continuous Current: 60A Burst Current: 320A Battery: 2-3S Li-Po BEC Output: 5.8V / 3A (Switch Mode) Power Plug: for T-connector male Dimension: 48 * 38 * 34mm 80A ESC Specifications: Continue Current: 80A Burst Current: 480A Battery: 2-4S Li-Po BEC Output: 5.8V / 3A (Switch Mode) Power Plug: for T-connector male Motor Connector: 4mm Banana Female Connector Dimension: 48 * 38 * 34mm 120A ESC Specification: Continuous Current: 120A Burst Current: 600A Battery: 2-4s LiPo BEC Output: 5.3V / 5A (Switch Mode) Power Plug: for T male Motor Connector: 5mm Bullet Female Connector Dimension: 48 * 38 * 34mm Package List: 1 * ESC