on off reverse brushless controller rc

{"cid":"91225513","title":"Freerchobby 60A 60V 12S 4.12 Brushless ESC Electronic Speed Controller for Electric Skateboard Drone Based Motor Controllers","imgUrl":"https:\/\/img.chinax.com\/nimg\/28\/43\/f5acd0f95bcd74b59d1ab7003429-200x200-1.jpg","attrs":{"Price":"$69-80 \/ piece","Brand Name":"FRC.VESC","Model Number":"FVESC V4","Minimum Order Quantity":"4 pieces","Current:":"p to 240A for a couple of seconds or about 50A continuous","Braking":"Regenerative braking","Place of Origin":"Guangdong, China","Warranty":"3 months ~ 1 year","Voltage":"8V to 60V (Safe for 3S to 12S LiPo).","Model":"FVESC V4","Controller Mode":"FOC","Certification":"CE","Mode":"Sensored and sensorless FOC wich auto-detection","Firmware":"ChibiOS\/RT","Start-up":"Good start-up torque in any mode","PCB size":"slightly less than 40mm x 60mm"}}