Features: ELRS technology: adopts 7-channel ELRS (ExpressLRS) 2.4G receiving technology, with the advantages of highly-speed data transmission and stable connection. PWM Output: Support PWM output, suitable for variety devices, such as FPV traverser, fixed-wing aircraft, vehicles, ship and so on. Multiple functional application: can be used in various field such as aeromodels, vehicles, ship, etc. flexible and meet the needs of different users. Stable connection: adopts 2.4G frequency, stable signal, long transmission distance, effectively avoid signal interferences andpacket loss. Multiple channel control: Provide 7 channel control, support variety of operational needs, make the operation flexible and changeable. Specifications: Item：ELRS 2.4G PWM7 Channel Receiver Firmware Model:DIY_2400_RX_PWMPEX Antennas:IPEX MHF+T /tube Microcontroller Chip:ESP8285 Chip: SX1280/SX1281 Return Power:12.5DBM/17MW Firmware Version:EXPRESSLRS 3.2 Board Size:about 18.5MMx26MM/0.73x1.02in Weight:3.50G Number of Channel:7CH Operating Voltage:4-6V Protocol: PWM/CRSF switchable 7-channel full scale ELRS 2.4G receiver CRSF bus switchable without re-flashing firmware Package Includes: 1Set ELRS 2.4G PWM7 Channel Receiver note: 1. Due to light and screen difference, the item color may be slightly different from the pictures. 2. Please allow 0.5-2cm differences due to manual measurement.