ExpressLRS SystemThe ER4 2.4GH z ELRS PWM Receiver is based on the revolutionary ExpressLRS system, offering high performance, high reliability, flexible configuration, fast response speed, and ultra-long range.. Compact and Lightweight With its small volume and lightweight design, it is perfect for small aircraft models, ship models, car models, and other models that require a compact receiver without compromising on range. Supports 4 PWM ChannelsThe ER4 PWM receiver can drive 4 servos simultaneously, providing flexibility and control for a variety of applications. Advanced Features The ER4 receiver supports automatic voltage telemetry of external battery voltage or built-in receiver voltage.
It also supports Wi-Fi updates and WEBUI configuration, ensuring your receiver is always up-to-date and easily configurable. High-Quality ComponentsThe ER4 receiver comes with a high sensitivity 15 cm antenna and a high-quality 2.54 mm connector. It also includes heat-shrink tubes and a voltage telemetry wire for easy installation and setup. Package Includes1 * ER4 2.4GH z ELRS PWM Receiver, 2 * Heat-shrink tube, 1 * Voltage telemetry wire (Type-A), 1 * User Card