1pcs BLHELI 12A Mini Brushless ESC BLHELI 14.2 Speed Controller 2-3S For 160-250 Multiple Rotors FPV DIY RC Helicopter
https://www.vogueparade.com/shopping/EN/200001385/1/1005002186192883/1pcs-blheli-12a-mini-brushless-esc-blheli-142-speed-controller-2-3s-for-160-250-multiple-rotors-fpv-diy-rc-helicopter//