RadioMaster ER4 2.4GHz ELRS PWM Receiver

The RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response speed and ultra-long range bringing you brand new experience with your hobby. The ER4 PWM receiver can drive 4 servos simultaneously. Designed with a very small volume, it is suitable for small aircraft models, ship models, car models and other models that require a small or lightweight receiver while still providing full range. Check out all our ExpressLRS Products, Receivers, and the rest of our RadioMaster Products!     Features: Based on the Revolutionary ExpressLRS System High performance, high reliability, flexible configuration, fast response speed and ultra-long range Support 4 PWM Channel Optimized ground up PCB design Automatically voltage telemetry of external battery voltage or built-in receiver voltage Supports Wi-Fi updates and WEBUI configuration High quality 2.54 mm connector Standard 15 cm Hig