Castle Creations brand Castle Creations Mamba Micro Pro Electronic Speed Control with the 4100kV Brushless Sensorless Motor for 1/18 scale applications. FEATURES: ESC- (CSEM5900) 3.5mm motor connectors, on-off switch, and universal receiver plug Castle Link compatible Following settings can be changed with transmitter; Low battery voltage cutoff warning Brake strength Lockout reverse mode Timing adjustment Motor start power Punch control Reverse speed Motor type Throttle deadband 0808 4100kV Motor- (CSEC3700) For 1/18 scale on-and off-road 2WD and 4WD RC vehicles running up to 3S LiPo batteries and weighing up to 2.5lbs (1134g) Four pole sensorless brushless design One year limited warranty on both components through Castle Creations beginning at date of purchase YOU WILL RECEIVE: Castle Creations Mamba Micro Pro Electronic Speed Control with 4100kV Brushless Sensorless Motor, Connectors and Instructions REQUIRES: Installing in vehicle SPECS: Electronic Speed Control- Cells: 4-12 NiMH, 2-3 cell LiPo Continuous: 30A Resistance: 0.045 Ohms Brake: Proportional Reversible: Yes, with lockout Low Voltage Cut-off: Programmable Size: 1.1 x 1.5 x 0.6 (27.9 x 38.1 x 15.2mm) Weight: 1oz (28.4g) with wires 4100kV Brushless Motor- Maximum Operating Temperature: 180°F (82°C) Size: 1.5 x 0.79 x 0.08 (38 x 20 x 2mm) Weight: 1.8oz (50g) Connector Type: Universal jxs 03/18/13 ir/jxs