Fun-Key FK RT 57/63/72/85/92/95/106/116mm Carbon Fiber Tail Blade For RC Helicopter Length:116mm then long press the "SELE"

then long press the "SELE" button to enter the waveform display

MCU: STMF722RET6

With Naze32

Happymodel Mantis85 85mm FPV 3K Carbon Fiber Frame Kit with ABS Nylon Camera Mount

5cm Wheelbase: 16cm Product color: Green / Blue / Red Drive: 380 high-speed motor Speed: 50km/h Remote control distance: 100 m Travel time: 20 minutes Charging time: 120 minutes Battery capacity: 7

Fun-Key FK RT 57/63/72/85/92/95/106/116mm Carbon Fiber Tail Blade For RC Helicopter Length:116mm then long press the "SELE"Description: Brand: Funkey Product: Main Blade Length: 57 63 72 85 92 95 106 116mm Materials: Carbon Fiber Application: For RC Helicopter Package: 1 Pair Tail Blade