Check the listing for details. Goolsky Flycolor Waterproof 150A Brushless ESC Electronic Speed Controller wi.... Condition: New. Listed at 87.24 USD. Goolsky Flycolor Waterproof 150A Brushless ESC Electronic Speed Controller with 5.5V/5A BEC for RC Boat ✓ Free 60 Day Returns ✓ Free Express Shipping Description: 1150A Brushless ESC Electronic Speed Controller with 5.5V/5A BEC for RC Boat. Features: Built-in switch mode 5.5V/5A BEC. Unique circuit design, strong anti-interference. Self-coiling design, can improve heat dispassion. Fast throttle response and smooth speed control lineariy. Waterproof design (if there is water in the esc, please dry the water at the connectors). High power safety performance: wherever the throttle lever is, the motor will not start immediately. Multiple protection features: Low-voltage cut-off protection / over-heat protection / throttle signal loss protection / power reduction protection. Specifications: Constant current: 150A Burst current: 900A @ 10s Power supply: 2-6S LiPo battery BEC: 5.5V/5A (switch mode) Weight: 177g Package Information: Package size: 14 13.5 4cm / 5.5 5.3 1.6in Package weight: 189g / 6.7oz Adhesive tape package Package List: 1 150A Brushless ESC Features: Unique circuit design, strong anti-interference, Built-in switch mode 5.5V/5A BEC.Self-coiling design, can improve heat dispassion; Fast throttle response and smooth speed control lineariy.Waterproof design (if there is water in the esc, please dry the water at the connectors).High power safety performance: wherever the throttle lever is, the motor will not start immediately.Multiple protection features: Low-voltage cut-off protection / over-heat protection / throttle signal loss protection / power reduction protection. Product Details: Package Dimensions: 8.98 x 6.14 x 1.81 inchesItem Weight: 6.8 ouncesItem model number: NUR1REManufacturer recommended age: 16 years and upIs Discontinued By Manufacturer: NoManufacturer: Goolsky