Made of high-quality materials, sturdy and , With two antennas Receiver protocol: CRSF RF Frequency: 2.4GHz ISM PA/LNA: AT2401C Telemetry power: 20dbm (100mW) True Diversity Antenna connector: MHF-1 Power supply: 4-13V DC @ "V" Pad Power dissipation: 100mA~170mA@5V IN RGB LED Status [Rainbow fade effect], Starting Up [Green heartbeat], Web update mode enabled [Slow blink 500ms on/off ], Waiting for connection from transmitter [Red flashing 100ms on/off], Radio chip not detected [Orange Double blink then pause], Binding mode enabled [Orange Triple blink then pause], Connected to transmitter but mismatched model-match configuration [Solid single color Connected to a transmitter], color indicates packet rate in Boot mode, RGB LED doesn't light up. Full Resolution Switch Configuration Modes Powering receiver with Reverse Voltage damage the regulator chip. DOUBLE CHECK the power wires connected to the receiver (Due to different batches, the printed words on the product be different, which does not affect use) Colour:As Shown Material:PCB Package Contents: 1x ELRS-R24-TD 2x MHF1 Antennas 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.