The RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, quick response speed and ultra-long range bringing you brand new experience with your hobby.nnThe 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.

Description:

Brand: Radiomaster

Item: ER4 2.4GHz ELRS PWM ReceivernPower supply: DC 4.5 - 8.4VnAntenna type: 15cm high sensitivity antennanWireless protocol: ExpressLRS 3.2 pre-installednOutput channel: 4CH PWMnTelemetry power: 10mwnBattery voltage detection range: DC 4.0- 35VnWeight: 3.0 gramsnDimensions: 30*15*5mmnFirmware: Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER4 2400 PWM RX

Features:

* Based on the Revolutionary ExpressLRS System.

* High performance, high reliability, flexible configuration, quick 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.

Package Included:

1 * ER4 2.4GHz ELRS PWM Receivern2 * Heat-shrink tuben1 * Voltage telemetry wire (Type-A)n1 * User Card