Features: High Quality Material: The Brushless controller with exquisite selected metal material, waterproof and benefits for stable operation, serve you remarkable DIY toy experience. Wide Range Compatible: All new waterproof ESC could for the 1:8 scale RC cars: crawler/off-road, 120A for 2-4S Lipo or 12 cells NiMH, on-road: 40XX-size or smaller motor with the KV<3000, on-road:42XX-size or smaller motor with the KV<3000, Motor Type with the KV<2500; Off-road:40XX-size or smaller motor with the KV<2500, 42XX-size or smaller motor; 150A for 2-4S Lipo or 18 cells NiMH, On-road:40XX-size or smaller motor with the KV<2500, on-road:42XX-size or smaller motor with the KV<2500,Off-road:40XX-size or smaller motor, Off-road:42XX-size or smaller motor with the KV<2000. Main Technical Specification: With 2 option (120A/150A) available to choose, BEC output approx 5.8V-6.1V/3A, meet to the requirements of most RC for cars. Waterproof Spare Part: The waterproof design make sure the stable to control your motor even on the for tough road without break down, the durable receiver and switch wire provide flexibility performance, replace and extend the RC toy a brand new service cycle. Easy to Assemble: The ESC is easy to assemble, make all the wire to connect with the right devices of your RC car, durable and energy-saving, which is also stable and lasting the motor performance, we’d like to offer instructions if any further requirement. Specifications: Material: Plastic, Metal Type Options: A(120A)/B(150A) Product Dimension: approx. 6 x 5 x 3.8cm/2.36 x 1.96 x 1.49 inch Net Weight: approx. 108g/0.24 lbs BEC Output: 5.8V-6.1V/3A Voltage: 2S-4S Lipo/12-18 cells NiMH Current: 120A/600A, 150A/720A Package Includes: 1 x Brushless ESC for RC Car note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.