100% new with high quality. Brand name: SURPASS HOBBY. Name: 4076 RC Moto. Connector: 4.0mm gold. Name: KK 150A ESC. Cooling system: Cooling fan. On-road: 42XX-size or smaller motor with the KV. BEC Output:6.1or7.4V/3A(SWITCH mode). Off-road/Buggy/Monster :42XX-size or smaller motor with the KV. For 6S or 18 cells NiMH. Battery:3-6 cells Lipo/9-18 cells NiMH. Size: 59 x 46 x 45mm. Motor : 4S LiPo / 12 cells NiMH. Suitable Car:1/8 car. 4 Pole 12 Slot Hi-torque Motor Design. High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings Maximizes Efficiency, High RPM ABEC5 Oversized Bearings. Universal fit, for all 1:8 RC car. Precision balanced rotor, smoothness for best reliability and maximum RPM. Stator – Super Thin (0.35mm) Laminations. Water- proof and dust-proof for all-weather races; Note: please uninstall the cooling fan before using this ESC in water;Clean and dry it soon after the use for avoiding the connectors get rusty. Specially designed for RC car with excellent start-up, acceleration and linearity features. Compatible with sensorless brushless motor. The strong resistant current capability, excellent heat dissipation. Multiple protection features: Low voltage cut-off protection for litium or nickel battery /Over-heat protectionThrote signal loss protection / Motor blocked protection/. Easily programmed and compatible with pocket-sized program card. 1pc of SURPASSHOBBY KK 4076 Brushless Motor. 1pc of SURPASSHOBBY Waterproof 150A ESC. 1pc of English Manual. Due to manual measurement, there may be 1-3cm deviation exist, hope you can understand. There are slight difference between the picture and the real item caused by light brightness, hope you can understand. Please make sure your address is correct before you pay. We will respond asap. Your receive the wrong item. Our goal is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have.