This is the TrakPower MS-1 Sensored Brushless Electronic Speed Control and 13.5T Sensored Brushless Motor. FEATURES: ESC (TKPM0010); Ideal for 1/10 scale 2WD and 4WD buggies, 2WD stadium truck and 2WD short course vehicles Blinky mode flashing LED signifies ROAR-legal setup for stock class racing Programmable Drag Brake, Low Voltage Cutoff, Start Power, Drive Mode, Motor Direction and Advance Timing Compatible with 540 size brushless motors 2.5 turns and above Low voltage and thermal protection Easy to understand LED queues for programming CNC aluminum case ensures efficient heat dissipation Gold plated solder posts 13.5 Turn Motor (TKPC5040); Ribbed CNC aluminum case provides more surface area for heat dissipation, vent holes increase air flow Rotors are sintered to handle higher temperatures Mechanical timing allows fine tuning of RPM and torque Heavy duty solder tabs 120 day limited warranty on both components through TrakPower beginning at date of purchase INCLUDES: TrakPower MS-1 Sensored Brushless ESC with Mounting Tape and Instructions, 13.5T Sensored Brushless Motor with Sensor Wire, Sensor Clip and Screw SPECS: ESC- Rated Current: 100A Input Voltage: 2-3S LiPo BEC: 6.0V/3A Weight: 1.94oz (55g) Dimensions: 0.94 x 1.3" 1.4" (24 x 33 x 36mm) Motor- Input Voltage: 2-3S LiPo Dimensions: 1.4 x 2.06" (35.9 x 52.4mm) Shaft Length: 0.59" (15mm) Shaft Diameter: 0.125" (3.175mm) Weight: 6oz (170g) jxs 12/05/12