The 1520 motor features premium components such as high-quality bearings, a hardened motor shaft, and a reinforced metal outer rotor. It also includes extra-soft silicone wire, high-temperature magnets, and enameled wire for superior efficiency, low energy consumption, and enhanced energy conversion. An upgraded electronic switch replaces traditional mechanical switches, offering easy operation with a simple , sensitive response, and extended lifespan. An intelligent parameter adjustment system allows for easy customization of motor timing, brake force, throttle mode, and protective measures like low voltage and over-temperature protection via a mobile phone or computer. Plug and play convenience with various battery adapter cables included to accommodate different car models. Specifications: Color: Black Material: Metal Package Contents: 1520 motor x1 0. 24T gear x1 0.4M 16T gear x1 0.4M 11T gear x1 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.