This is the Castle Creations Mamba Monster X Waterproof ESC and 1515-2200Kv Brushless Motor. FEATURES: ESC; For 1/8 scale buggies, truggies and on-road vehicles, and 1/10 scale monster trucks weighing up to 15lbs (6.8kg) 2S-6S LiPo compatible Adjustable BEC (battery eliminator circuit) 5.5V, 6.0V, 7.5V, or 8.0V 8A Peak), default 5.5V Profiles can be custom designed on a PC with the Castle Link PC programming software (software not included, can be downloaded for free from Castle's website, voucher is included for free Castle Link Programmer) Castle Link Adjustable settings include; Brake/Reverse Type LiPo Cutoff Voltage Brake Amount Drag Brake Motor Type Programmable Auxiliary Wire (AUX) allows adjustments to several settings such as torque control and max throttle from a compatible transmitter Sensored motor capable with purchase of optional (not included) Sensor harness from Castle Creations Telemetry ready with purchase of Castle Creations S.BUS Telemetry Link One year limited warranty through Castle Creations beginning at date of purchase Motor; Oversize ABEC-1 front and rear bearings Sintered neodymium magnets INCLUDES: Castle Creations Mamba Monster X ESC with On/Off Switch, pretinned Battery Leads, Receiver Connector, Female Motor Connectors, 30mm Cooling Fan, 1515-2200Kv Brushless Motor, Instruction Booklet Voucher for free Castle Link Programmer REQUIRES: Compatible LiPo Battery Battery Connectors, Castle Creations 6.5mm are recommended SPECS: ESC; Input Voltage Range: Min. 2S LiPo, Max. 6S, 25.2V BEC Specifications: Adjustable: 5.5V or 7.5V (2A Peak), default 5.5V Brake: Proportional Reversible: Yes, with lockout On/Off Switch: Yes Dimensions: 2.08 x 1.9" (53 x 49mm) Weight: 3.91oz (111.1g) with wires Motor; Dimensions: 1.6 x 2.9" (39.98 x 75.2mm) Weight: 15oz (424g) Max Vehicle Weight: 15lbs (6.8kg) Mounting Hole Specifications: 3mm @ 25mm Shaft Diameter: 0.196" (5mm) Max RPM: 60,000 Connectors: 6.5mm bullet Wire Length: 7.25" (184mm) OK to shorten Wire Size: 10AWG Kv rating: 2200kV Max Input Voltage: 25.2 Amp Rating: 120 COMMENTS: Not intended for operation while submerged in liquid. If unit is operated in wet conditions, rinse with fresh water to remove dirt or corrosives, then fully dry unit. Cooling fan is not waterproof and must be removed prior driving in wet conditions.