ER5C V2 receiver is based on the high-performance, revolutionary ExpressLRS system, featuring high reliability, highly flexible configuration, ultra-fast response speeds, and an ultra-long receiving range, bringing with it a brand-new usage experience. The ER5C V2 ELRS receiver can drive up to 5 servos and has built-in receiver voltage telemetry and battery telemetry with the ability to automatically detect which voltage input to use. It is designed for all types of surface & marine R/C applications. Built-in a TCXO (temperature compensated crystal oscillator), ensures stable and accurate performance in any environment Optimized PCB design, Supports Wi-Fi updates and WEBUI configuration Compact size, easy to install. Perfect forsurface & marine R/C applications Item:ER5C V2 2.4GHz ELRS PWM Receiver Power supply:DC 4.5-8.4V Antenna type:High-sensitivity antenna Wireless Protocol:ELRS 3.3.0 pre-installed Channels:5 Telemetry Voltage Detection Range:DC4.0 - 35V RF Telemetry:Yes Telemetry Power:10mw Weight:5.7 grams Firmware:Device Category:for 2.4 GHz/Device:for ER5C 2.4GHz PWM RX Colour:Black Material:composite materials Size:30x18.5x13mm Package Contents: 1 * RC Car ER5C V2 2.4GHz ELRS PWM Receiver 1 * RC Car Voltage telemetry wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.