Specification1.1 Output: Continuous 120A, burst 760A;1.2 Input: 6-12 cells NiMH/NiCd or 2-4S Lipo;1.3 BEC Output: * Note #1 6V/3A (Switching mode);1.4 Resistance: 0.0004 Ohm;1.5 Motor Supported: Sensorless Brushless Motor;1.6 Suitable Brushless Motor: With 6 cells NiMH/NiCd or 2S Lipo: KV6000;With 7-9 cells NiMH/NiCd or 3S Lipo: KV4000;With 10-12 cells NiMH/NiCd or 4S Lipo: KV3000;1.7 Suitable Car: 1/10 4WD SCT, 1/8 2WD and 4WD buggy/SCT (Include TRAXXAS 1/10 SCT);1.8 Size: 59mm(L) * 38mm(W) * 34mm(H);1.9 Weight: 113g;Package Contents :1 SetFeatures 2.1 Completely water-proof and dust-proof.2.2 Powerful built-in switching mode BEC.2.3 Excellent start-up, acceleration and linearity features.2.4 Plenty of programmable items, suitable for various of chassis\'s, tires and racing tracks.2.5 Electric brake function, also compatible with mechanical disc-brake system.2.6 Multiple protection features: Low voltage cut-off protection / Over-heat protection / Throttle signal loss protection.2.7 Internal timing can be changed easily to make the ESC suitable for various of motors.2.8 Easily programmed with the SET button, LED Program Box, Professional LCD Program Box and USB Link Software.2.9 Special program port for easily setting the ESC.2.10 ESC firmware can be updated through the USB adapter in the LCD Program Box.2.11 Mounting stand for installing the ESC on chassis easily and firmly.Introduction:General back-pressure cooling pipe materials are aluminum alloy because of good heat dissipation.When the exhaust gas through the back pressure after the cooling tube, you can make the gas into the tank cooler, then the fuel temperature is naturally not so high.So you can make the engine slightly lower the temperature on the one hand can increase the engine's life slightly, on the other hand can make the engine operating temperature is