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 High Sensitivity Antenna For small aircraft, boats and cars and more   Specifications: Item: ER4 2.4GHz ELRS PWM Receiver Power supply: DC 4.5 - 8.4V Antenna type: 15cm high sensitivity antenna Wireless protocol: ExpressLRS 3.2 pre-installed Output channel: 4CH PWM Telemetry power: 10mw Battery voltage detection range: DC 4.0- 35V Weight: 3.0 grams Dimensions: 30*15*5mm Firmware: Device Category: Radiomaster 2.4Ghz Device: RadioMaster ER4 2400 PWM RX   Package Includes: 1 * ER4 2.4GHz ELRS PWM Receiver 2 * Heat-shrink tube 1 * Voltage telemetry wire (Type-A) 1 * User Card