This Spektrum RC Firma 85A Smart ESC & Motor Combo for surface vehicles is waterproof and delivers power and intelligence all-in-one. Without additional sensors or modules, they feed battery and ESC telemetry data straight to your radio in real time, all over one connection. Fast, powerful 32-bit ARM M4 processor. Multiple options for easy programming. Smart ESC Programming Box. SmartLink USB Updating and Programmer application. Automatic LiPo low-voltage cutoff. Compact for easy installation in most applications. Ready to install – no soldering required. Rugged plastic case with mounting tabs. Aluminum heat sink for high efficiency. Firmware updatable through the Smart ESC Programming Box. High heat-resistant ICT connectors, backwards compatible with ECT connectors. Time Delay Brake: Yes. BEC Voltage: 6V (4A). Weight: 80g (2.8 oz). Continuous Maximum Current: 85A (760A Max Burst). Output Connector Types: 4.0mm Female Bullet with 12AWG, 150mm wire. Input Connector Types: IC3 with 12AWG, 160mm wire. Width: 1.4 (37mm). Height: 1.5in (38mm). Input Voltage: 7.4 – 14.8V. Length: 2.2in (57mm) Width: 1. 4 (37mm) Height: 1.5in (38mm) Weight : 80g (2.8 oz) BEC Voltage: 6V (4A) Motor Specifications. Application: 1/10 scale 4WD, 2WD, and on-road models running on 2S LiPo power. Bushing Or Bearing: Bearing. Connector Type: 4mm Bullet. Input Voltage: 6-8.4V. Maximum Continuous Current: 40A. Motor Type: Brushless – Sensorless. Number of Poles: 4. Product Weight: 7.4oz (210g). Shaft Diameter: 0.125 (3 mm). Wire Gauge: 12 AWG. (1) SpektrumT FirmaT Smart ESC. (1) Spektrum Smart sticker sheet.