The refresh rate supports up to F-1000Hz Wireless power up to 1W Support Bluetooth and WiFi JR adapter, suitable for TX16S MKII, TX12 MKII and other remote controls Powerful turbine cooling, bass operation, double wind pressure cooling Product name : micro-type HF head Operating band :ISM2400 Chip :ESP32,ESP8285 Rf chip :SX1281IMLTRT Frequency range :2400MHZ-2480MHZ Maximum refresh rate :500HZ/F-1000HZ(Recommended to run F-1000H mode with EgdeTX271 or later firmware) Support minimum refresh rate :25HZ Output power :30dBmFCC/20dBm CE(LUA adjustable) Support: Wi-Fi connection Support: Bluetooth connection XT30 External power supply port voltage range :DC6V-16.8V Colour:Black Material:plastic Package Contents: 1 x receiver 1 x English manual 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.