MODEL: STANDARD 30A BLDC ESC ELECTRONIC SPEED CONTROLLER,Color: Yellow or Red,CURRENT: 30A BEC: 3A,Li-Poly: 2-3,Ni-Mh/Ni-CD: 4-10 Ni-Mh CONSTANT CURRENT: 30A Max 40A<10s,Li-Poly 2-3 CELLS; Ni-MH 4-10 CELLS Auto-Detect,Break On/Off Auto Low BATTERY Slow down at 3.0V/cell Lipo, cut-off at 2.9V/cell lipo; APPLICATION: Multirotors, Rc Airplanes, etc. Module Size: Length: 45mm,Width: 24mm,Height: 9mm,Weight: 23gm affect the ESC. Buy Online: https://www.giganepal.com/product/electronic-speed-control