Feature: 1. Waterproof: The ESC adopts all weather waterproof and dustproof design, with excellent starting, accelerating and linear functions. Designed for RC model cars, suitable for 1/7 1/8 RC cars. 2. Multiple Protection: Low voltage cut off protection for lithium or nickel batteries, ESC overheating protection, motor overheating protection, throttle signal loss protection, motor stall protection. 3. Built in Switch Mode: BEC output 6.1V 5A or 7.4V 5A switching mode, compatible with high torque and high voltage servo. Easy to program and compatible with pocket sized program cards. 4. Exquisite Workmanship: Exquisite circuit design, the ESC can be used for sensorless brushless motor. Strong current resistance and excellent heat dissipation. 5. Durable and Safe: Made of premium aluminum alloy and plastic materials with fine workmanship, the 150A waterproof brushless ESC is safe and durable, and has a long service life. Specification: Item Type: 150A ESC Material: Aluminum alloy, plastic Gross Weight: 233g / 8.2oz Color: Black Continuous Current and Burst Current: 150A, 1080A Motor Type: Sensorless brushless motor 4S Lipo or 12S NiMH: 1. Flat Sports Car: 42xx motor KV＜3000 2. Off Road Truck: 42xx motor KV < 2500 6S Lipo or 18S NiMH: 1. Flat Sports Car: 42xx motor KV＜2500 2. Off Road Truck: 42xx motor KV < 2000 Internal Resistance: 0.00028ohm Battery: 3-6S Lipo, 9-18S NiMH BEC Output: 6.1V 5A or 7.4V 5A (switching mode) ESC Size: 57.5x45x37mm / 2.3x1.8x1.5in(without wire) Applications: Suitable for 1/7 1/8 RC car. Package List: 1 x 150A ESC3 x Cable1 x Manaul Note: 1. Due to manual measurement, please allow 1‑3mm error, thank you! 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Please uninstall the cooling fan before using this ESC in water, clean and dry after use to avoid rusting of the connector.