ExpressLRS ER4 2.4GHz 4CH PWM Receiver For Small Aircraft Boats And Cars, 10mW Output, Ultra Fast Response, High Reliability, Flexible Configuration, Beefy Long Range Hobby Radio Link

2.4GHz PWM Receiver ER4 for small aircraft and boats
✔️ 4 PWM outputs, 2.4GHz ExpressLRS module compatibility, fast response

The ER4 PWM receiver is a compact, lightweight module designed for small aircraft, boats, and cars that need four-channel servo control. It supports automatic voltage telemetry from external batteries or built-in receiver voltage and can be updated via Wi‑Fi using a WEBUI for easy configuration.

✅ 4-channel PWM output for four servos or devices
✅ 2.4GHz ExpressLRS, fast response for reliable control
✅ Small, lightweight receiver for micro models like planes, boats, and cars
✅ Telemetry for external battery voltage and built-in receiver voltage
✅ Wi-Fi updates and WEBUI configuration for quick setup
✅ Compatible with all 2.4GHz ExpressLRS modules and transmitters

💡 What is a PWM receiver used for in hobby RC gear?

- It's handy for controlling multiple servos and devices from a compact receiver. - It works with 2.4GHz ExpressLRS modules for fast, reliable control. - Telemetry includes battery voltage and receiver voltage for monitoring. - WebUI and Wi-Fi updates enable easy online configuration. ✝️