High Torque Brushless Motor and ESC Combo for TRX4M 1/18 RC Crawler Car Micro 2030 Sensored 3500KV Upgrades w/11T Pinion. Note: NOT WORK with the Stock Remote Control, Compatible with Mostly Futaba ZH1.5 Port Receiver. You Must Upgrade the controller before using this Brushless Kit. This 3500KV brushless motor offers incredibly high torque helping you get the ultimate performance out of your TRX-4M. Input voltage: 1-2S LiPo / 3-6 Cell NiMH, Cont. Current / Burst Current: 30A/80A, BEC Output: 5V/500mA(analog mode), Motor size: 20x31mm, Shaft size: 2×8.5mm? Package Include: 1x Micro 2030 Sensored 3500KV Brushless Motor w/11T Brass Pinion, 1x 30A Electronic Speed Controller. As our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected.