Traxxas BL-2s Brushless Power System Combo Kit Brushless Motor and ESC, TRA-3382 The sensorless BL-2s™ 3300 kV motor delivers the all-day speed and torque you expect from brushless technology, without the high price tag. With no brushes to wear out, the BL-2s is long-lasting and virtually maintenance free. Low-friction ball bearings and an integrated cooling fan open the door to all-day fun. Integrated cooling fan Low-maintenance design High-speed ball bearings 3300 kVReplacement part for these models:4-Tec® 2.0 Brushless AWD ChassisRustler® 4X4 BrushlessSlash® 4X4 BrushlessSlash® Brushless The waterproof BL-2s™ speed control delivers all the benefits of brushless technology with the safety and convenience features you expect from Traxxas. Built-in low-voltage detection, thermal shutdown protection, and EZ-Set® one button programming make BL-2s reliable and easy to operate.BL-2s ESC Features:- Fully waterproof- Built-in two-stage low voltage detection for lithium polymer (LiPo) batteries- NiMH battery packs 6-7 cells (7.2 - 8.4 V) or 2-cell LiPo battery packs (7.4 V)- Patented Training Mode™ reduces the power output by 50% for new or younger drivers. When they're ready, simply change profiles to unleash full-throttle action.- EZ-Set® one-button setup operates and programs just like other Traxxas speed controls- Three programmable drive profiles: - Sport Mode – Fwd / Brake / Rev - Race Mode – Fwd / Brake - Training Mode™– 50% Fwd / Brake / 50% Rev- Multi-color status LED- Two-stage thermal shutdown protection protects the BL-2s from overheating- Large aluminum heatsink dissipates heat- Built-in auxiliary fan output- Keyed motor connector Replacement part for these models:4-Tec® 2.0 Brushless AWD ChassisRustler® 4X4 BrushlessSlash® 4X4 BrushlessSlash® BrushlessStampede® 4X4 Brushless