ITEM NAME:30A ESC Brushed Electric Speed Controller for DIY Mini RC Car or Boat O1O8 30A ESC Brushed Electric Speed Controller for DIY Mini RC Car or Boat O1O8 Compact and lightweight, easy to install and use Designed for receiver and steering servo Compatible battery: 2S Li-ion(7.4V) (not included) Suitable for rc car or boat Connector: short red (positive) and black (negative)------battery; long red and black(positive or negative is random)------motor; black red and white three-one line------ch2 of receiver Function: forward, reverse, brake Voltage: 3.0V---9.4V Signal: PPM Frequency: 2KHz Output currents: 20A, 30 seconds 25A, 5 seconds 50A; 80A peak UBEC output voltage: 5.7V Size: approx. 40 x 19 x 10mm/1.57 x 0.75 x 0.39 inch Color: color as shown Material: composite material Package Contents: 1 x Miniature Brushed ESC Controller Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Suitable for rc car or boat. Frequency: 2KHz. Compact and lightweight, easy to install and use. Function: forward, reverse, brake. Connector: short red (positive) and black (negative)------battery; long red and black(positive or negative is random)------motor; black red and white three-one line------ch2 of receiver.