1、Waterproof and dustproof for all weather races. Remove the cooling fan before using the ESC in water.Please clean and dry as soon as possible after use to avoid the connector rusting. 2、One‑click settings (SET button on ESC) can easily reset all parameters to factory default Settings. 3、Portable digital LED program card compatible with optional equipment, especially suitable for outdoor use. 4、The proportional brake has 4 stages of maximum braking power adjustment and 8 stages of drag braking power adjustment. 5、There are 4 different colors available, 45A, 60A, 80A, 120A, you can choose by your needs. Condition: 100% Brand New Item Type: ESC Material: Electronic Components 45A ESC Continuous Current: 45A Burst Current: 180A Adapter Battery: 2-3S lithium battery / 4-9s Nickel-hydrogen nickel-cadmium battery (batteries not included) BEC Output: 5.8V / 3A 60A ESC Continuous Current: 60A Burst Current: 320A Adapter Battery: 2-3S lithium battery / 4-9s Nickel-hydrogen nickel-cadmium battery BEC Output: 5.8V / 3A 80A ESC Continuous Current: 80A Burst Current: 480A Adapter Battery: 2-3S lithium battery / 4-9s Nickel-hydrogen nickel-cadmium battery BEC Output: 5.8V / 3A Size: Approx. 43 x 31 x 32mm / 1.7 x 1.2 x 1.3in 120A ESC Continuous Current: 120A Burst Current: 480A / 10sec Adapter Battery: 2-3S lithium battery / 4-9s Nickel-hydrogen nickel-cadmium battery BEC Output: 5.3V / 5A (Switch Mode) Size: Approx. 43 x 31 x 32mm / 1.7 x 1.2 x 1.3in 1 x ESC