Core RC Pace 60R v2 Brushless ESC 1S/2SExclusively designed to suit 1s lipo running for single cell GT12 1 12th scale classes of racing but also perfectly capable of running with 2s batteries with motors 6. 5T and higher. Suitable for sensored or sensorless operation with Zero Timing blinky mode. With new alloy upper case for improved strength and better heat dissipation. The Pace 60R v2 requires no additional booster for 1s use, just plug and play!! Approved for use by BRCA 1 12th F1