his is a high voltage version ZTW Gecko ESC supports up to 12S LiPo, but no built in BEC.This is a high-quality, efficient brushless electronic speed control with an integrated switch-mode BEC. It can operate without the need for a separate receiver battery to power your servos and receivers, saving you weight and complication. GECKO series also include ESC OPTO for giant flying. This series of ESCs also features an exposed, finned heat sink aluminum case with lightweight plastic end caps. Additional features include safe power arming along with advanced programmable, data logging system, low voltage cutoff, braking, timing, throttle input range, and more, making this series truly a pro series speed control.As the development of the electronic and popular demand of the market, our BEC has been Rc airplane specifically designed for extreme aerobatics and therefore has the capability to support the higher current applications to eliminate the possibility of unwanted shutdowns, and is also capable of supporting continuous simultaneous multiple servo operations typically found in CCPM equipped hardcore 3D E-helicopters. Features[/b]Data logging system such as temperature, voltage, current, RPM,SBEC Voltage Output 5.0, 6.0, 7.4, 8.4V adjustableAdvanced Governor Mode and soft startHigh SBEC Current Output, continuous 8A and burst 16A, designed to meet your high current applicationPower arm protection, over-heat protection, low-voltage protection and lost-signal protectionSecondary sub-menu setting by LCD program card or PC interfaceFirmware updating by PC interfaceUnique metal shape designing gives your new fashion visual impact.Super smooth and accurate throttle linearitySupport and match with most of the motors, including high RPM motorsProgrammable motor timingUtilizes new smaller MOSFET technology to minimize weight Finned heat sinkprogrammable throttle input rangeAnti-spark circuit eliminates (HV OPTO version only)Specifications[/b]Output: Continuous Current 150A ,Burst Current 180A for 10 secondsBattery : 18-38 NiXX / 6-12S LiPoWeight: 120gSize: 46x65x16.6mm (WxLxH)No BEC