L Professional waterproof structure, durable to use. L 150A dual battery connector. L BEC output can be adjusted high and low voltage. L The strong resistant current capability, excellent heat dissipation. L Suitable for 1/8 RC car. 4076 2000KV Brushless Motor. L Designed with 4-stage 12-slot high-torque motor. L CNC processing steel billet and 6061-T6 aluminum heat sink, secondary oxidation treatment, high-end and fine appearance. L High purity copper coil for maximum efficiency, temperature resistance up to 180-200 °. L High-speed and ultra-durable sealed bearings, low friction, low noise, high precision and long-lasting use. L Use M3 + M4 screws for multiple installation styles. L High balance explosion-proof rotor, high smoothness, high accuracy and high speed, dynamic balance is controlled within 10mg, and can be disassembled and replaced. L Ultra-thin silicon steel sheet has excellent performance, high magnetic permeability and high silicon content, good insulation and heat resistance. L 4.0mm gold-plated joints and 5.0mm two shafts, suitable for 1/8 brushless models. L Continuous / maximum current: 150A/720A. L Resistance: 0.00030ohm. L Battery: 36 cells Lipo, 918 cells NiMH. L BEC Output: 6.1or7.4V/3A (switch mode). L For4S Lipo or12cells NiMH. L On-road: 42XX-size or smaller motor with the KV. L Off-road / Buggy / Monster: 40XX-size or smaller motor with the KV. L For6S Lipo or18cells NiMH. L 1x Motor with ESC.