Feature: 1. With excellent starting effect, starting response time and linearity braking performance. 2. It has a strong ability to withstand current and has a good heat dissipation effect. 3. With various protection functions, such as low pressure protection, overheat protection, splash‑proof protection, throttle out of control protection, and motor stall protection, making it safer. 4. The sensorless brushless ESC is waterproof and is suitable for 4 poles sensorless brushless motor to use. 5. Great accessories to upgrade your remote control car, fit for 1/10 sports car, off‑road car, truck and other RC cars. Specification: Item Type: RC Accessories Model: 45A ESC Material: Plastic + Aluminum Alloy + Electronic Components Product Color: As Pictures Shown Product Weight: Approx. 100g / 3.5oz Violent Discharge: 180A BEC Output: 5.8V/3A Continuous Current: 45A Resistance: 0.00035OHM Applicable Battery: 2-3S lithium battery / 4-9S nickel-hydrogen nickel-cadmium battery, etc. Applicable Motor: 4 poles Sensorless Brushless Motor Application: Fit for 1/10 sports cars, off-road cars, trucks and other RC cars. Package List: 1 x ESC 1 x Manual Note: 1. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.