Sunrise BLHeli Multi 20A 30A Brushless ESC For RC MultirotorsDescription:20A:Dimension: 40x24x7mmWeight: 18gInput voltage: 2-3S LixxDrive current: 20A(Max:25A/10S)BEC output: 5V 3ARefresh rate: 30Hz~499Hz30A:Dimension: 42x24x7mmWeight: 23gInput voltage: 2-3S LixxDrive current:30A(Max:35A/10S)BEC output: 5V 3ARefresh rate: 30Hz~499HzPackage included:1 x Sunrise BLHeli-Multi Brushless ESCESC: 20A; 30A. Please send note in paypal with ESC you want. Default-random. evrika33 Store