The 4pcs EMAX Lightning 30A BLHeli ESC OPTO 2-4s F396 MCU for RC Multirotors QAV 250 is the first BLHeli ESC that adopts synchronous rectification hardware design in the market. Incredibly mini and light, it weighs only 5.5 grams including power wires and signal wires. This ESC utilizes high-performance F396 MCU and supports active braking. And it is FW upgradable via signal wire. With such great design and high quality, it surely is worth your investment. Click and order right now!<!--Features --><p>FEATURES</p><UL><LI>First BLHeli ESC that adopts synchronous rectification hardware design in the market</LI><LI>Utilize high-performance F396 MCU</LI><LI>Incredibly mini and light, weigh only 5.5 grams including power wires and signal wires</LI><LI>Support active braking</LI><LI>FW upgradable via signal wire</LI><LI>Anti-counterfeit code of authenticity</LI><LI>Support up to 4S high voltage (4.35V max per cell)</LI><LI>Smallest F396 powered 30A ESC in it&acute;s class</LI><LI>Oneshot enabled / Multishot ready</LI><LI>High-current burst rating</LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD width=131>Brand</TD><TD width=365>EMAX</TD></TR><TR><TD width=131>Model</TD><TD width=365>Lightning</TD></TR><TR><TD width=131>Current</TD><TD width=365>30A</TD></TR><TR><TD width=131>ESC Input Voltage</TD><TD width=365>2-4S</TD></TR><TR><TD width=131>BEC</TD><TD width=365>No</TD></TR><TR><TD width=131>MCU</TD><TD width=365>F396</TD></TR><TR><TD width=131>Suitable for</TD><TD width=365>QAV 160/180/250/300/330 RC Multirotors</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(3.94 x 1.97 x 0.79)" / (10 x 5 x 2)cm (L x W x H)</TD></TR><TR><TD width=131>Weight</TD><TD width=365>0.78oz / 22g</TD></TR></TBODY></TABLE><IMG alt="" src="http://www.image-tmart.com/info_images/14012313-01.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/14012313-02.jpg"><!--Package Includes --><p>Package Includes</p><UL><LI>4 x ESCs</LI></UL><!--Extra Info --><!--produts_compatibility -->