Feature: 1. Safe arming function, no matter where the throttle lever is, the motor will not rotate after connecting the battery. 2. Multiple protection functions: low‑voltage cut‑off protection, overheat protection, throttle signal loss protection. 3. 2212 1000KV motor+brushless ESC, meet your different needs, suitable for RC Drone Helicopter FPV model. 4. The ESC is compatible with lithium batteries and Ni‑MH batteries. The motor is light in weight, stable in operation and low in noise. 5. Made of high quality material, which makes it durable, stable and has a long service life. Specification: Item Type: RC Motor ESC Material: Metal + Electronic Components Color: As shown in the picture Motor Parameters: KV: 1000 Ri (MΩ): 0.033 Motor Size: Approx.27.5x38mm / 1.08x1.5in Shaft Diameter: 3.17mm/0.12in ESC Parameters: Continuous Current: 40A Peak Current: 55A BEC Output: 5V at 3A Battery Input: 2-4S Plug: XT60 Quantity: 1 set Application: for RC drone, helicopter, FPV, etc . Package List: 1 x Motor1 x Motor Head1 x Motor Base4 x Screw1 x ESC Note: 1. Please allow 1‑2in 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.