Sutable for 1/16 &1/18 RC Car: Our 2430 Brushless motor designed for 1/14,1/16&1/18 RC cars with M2.5 and M3 screw mounting holes such as on-road car /off-road/ buggy/ monster, cool black appearance;It's made of CNC machined 6061-T6 heat sink and excellent heat dissipation; with excellent start-up,acceleration and linearity features, strong resistant current capability. Waterproof & Dustproof Design : Surpass Hobby 2430 brushless motor and 35A brushless ESC which is waterproof and dustproof for all weather races. allowing for RC car handling in various environments (Note: Please remove the cooling fan before using this ESC in water; Clean and blow dry after use to prevent connector rust) Upgrade Materials： These hobby brushless motor cover is made of high hardness CNC aluminum and 0.35mm thickness silicon steel sheet. The high purity and high temperature resistant copper coil effectively provides high efficiency, while the ABEC5 high-precision large bearings offer smooth and wear-resistant operation Multiple Protection: Our 2430 Series brushless motor and 35A ESC set with multiple protection,such as low voltage cut-off protection for lithium or nickel battery,over-heat protection, throttle signal loss protection and motor blocked protection.along with strong current resistance and excellent heat dissipation. When protecting the motor, the LED light will flash and there will be a buzzer sound Notice for Use: Waterproof 35A ESC built with high quality components to ensure high efficiency operation, it works prefectly with 2S lipo battery. if your car works with 3-4S battery, you can choose 120-150A ESC. Please read the instructions carefully before use., Weight: 0.4 Pounds, Manufacturer: SHENZHEN SURPASS TECH CO.,LTD