brand new and high quality Features: High-quality positioning, BLHeli_S built-in LED lights, high-performance brushless ESC. Support 500HZ PWM, Oneshot125, Oneshot42, Multishot mode, Dshot150/300/600. The drone can determine the position through the ESC instant sound. Players can also choose their favorite background music as the power startup sound. Support 3D mode and automatic motor timing. More function settings, support CleanFlight, BetaFlight settings. 35A Brushless ESC Parameters: Product name: BLHeli_S 35A Brushless ESC (built-in LED) Microcontroller: EFM8BB21F16G Firmware: BLHeli_S Continuous current: 35A Maximum current: 40A Input voltage: 2-6S LIPO Built-in LED: color switchable (red, green, blue, yellow, white, magenta, cyan) 45A Brushless ESC Parameters: Product name: BLHeli_S 45A Brushless ESC (built-in LED) Microcontroller: EFM8BB21F16G Firmware: BLHeli_S Continuous current: 45A Maximum current: 50A Input voltage: 2-6S LIPO Built-in LED: color switchable (red, green, blue, yellow, white, magenta, cyan) Specifications: Materials: PCV+ABS Voltage: 2S-6S LIPO Dshot: Support (both BL-S programs are supported) LED light: Yes Size: app.28x13x5mm/1.10x0.51x0.20in Optional Styles: 35A, 45A Color: As pictures shown Quantity: 1pc Note: No retail package. Please allow 0-2 for cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Brushless ESC(other accessories demo in the picture is not included.)