Hobbywing EZRUN WP-SC8 Waterproof 120A Brushless ESC Speed Controller For 1:10 Car Buggy Truck Hobbywing EZRUN WP-SC8 Waterproof 120A Brushless ESC Suitable Car: 1/10 4WD SCT, 1/8 2WD and 4WD buggy/SCT (Include TRAXXAS 1/10 SCT) Kindly Notes: This SC8 120A ESc work prefectly with 2-3S lipo battery. If your car works with 4S battery, we suggest you choose 150A ESC.