Features: brand new and high quality 20A brush speed controller. Functions: forward, reverse, brake. Working voltage: 3.0V-9.4V; Driver frequency: 2KHz; Input: Li-Po 2S / Ni-Mh/Ni-cd 4-7cell; Constant current 20A Max 25A< 30s Pulsed 50A< 5s Brake On / with brake This ESC can work with 130/180/260/280/380 Brush Motor Specifications: Material: Plastics Color: As Pictures Show Size (Approx.): 9.5cm/3.74in Weight (Approx.): 18g Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Piece Brushed Electronic Motor Speed Controller