The Spektrum Firma 160A Smart Brushless Marine ESC is designed for RC boat enthusiasts. It offers features like smart all-in-one telemetry, a powerful 32-bit ARM M4 processor, and 160 Amp continuous current. With a rugged plastic case, it's compact and easy to install (3.7 in long, 3.5 in wide, 1.4 in high, 9.9 oz). Ideal for fresh water RC boat applications, it provides multiple programming options and is compatible with Spektrum Smart Technology for a seamless experience.