Product name:Flywoo EL24P 2.4GHz ExpressLRS ELRS 0.4g Ultra Lightweight Open Source Nano Receiver for FPV Racer Drone Precise details: Description: Brand: Flywoo Model: EL24P Nano Receiver Type: ISM ESP8285 MCU SX1280IMLTRT RF Module Frequency Range: 2400 MHz to 2500 MHz Maximum receive refresh rate: 500Hz Minimum receiver refresh rate: 25Hz Working voltage: 5v Weight: 0.4g Dimension: 10.8mm*11mm*6mm Peak gain: 3.2dB Features: The Flywoo 2.4GHz Elrs Nano Series Receiver is an Open Source Program Based on Expresslrs, the Lightweight, the Lightweight, Minimal Size, Use ESP8285 MCU. So You Can Upgrade Firmware by WiFi, That's Too Simple. EL24P: ESP8285 MCU, SX1280 RF CHIP, use IPX ports, connect external T-type antennas, farther distance, stronger signal Due to the low-latency and high-refresh-rate rf module, They is the Ultra Light and nano size of the Ultra Light and Nano Size. Bind procedure: - Supply power to the EL24E/EL24P rx, wait until the LED on the RX is off, immediately turn off the power, and then repeat again the above steps. When the RX is powered on for the third time, the LED light will start to double-flash, which means that the RX enters the binding mode - Insert the 2.4G ELRS TX to Radio transmitter, and choose External RF mode to CRSF protocol, then you can find ELRS menu from the Radio systems(Need to copy the ELRS.LUA file to the SD-Card tools first), Enter into ELRS and press [Bind], the LED on the RX module will getting to be solid if bind successfully. - Receiver LED status meanings: LED solid means bind successful or Connection established; LED double-flash means in bind mode; LED flash slowly means no signal connection from the TX module; LED flash fast means in WIFI hotspot mode, you can connect the WIFI of the RX and upgrade firmware of the RX via visit 10.0.0.1 from the web browser(password: expresslrs) Package Included: 1x EL24P Nano Receiver 1x 40mm Half-wave Dipole Antenna