Features 1、It's bidirectional 30A miniature brushed ESC with brake for DIY RC car. 2、Suitable battery type: 2S Li‑ion(7.4V) (not included). ESC with brake. 3、Designed for receiver and steering SERVO. Easy and convenient for installation. 4、Compact and lightweight, easy to install and use. Suitable for use in car or ships. 5、Wonderful replacement for the old or broken one, directly fitment. Condition: 100% Brand New Item Type: Brushed ESC Material: Electronic Components Color: Black Description: Portable DIY mini boat, using two-way 30A micro wire drawing ESC governor, easy braking Features: It's bidirectional 30A miniature brushed ESC with brake for DIY RC car. Suitable battery type: 2S Li-ion(7.4V) (not included). Designed for receiver and steering SERVO. Connecting rod: 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. Description: Compact and lightweight, easy to install and use. Suitable for use in car or ships. ESC with brake. Specifications: Size: Approx. 40 x 19 x 10mm / 1.6 x 0.7 x 0.4in Input Voltage: 4-8V Current: Forward: 30A; Instantaneous Maximum: 40A; Backward: 20A; Brake Value: 40A UBEC Output Voltage: 5.7V Output Current: 1A Package List 1 x Brushed ESC