Product Description
【Lesong】
This premium FPV flight tower stack combines an F4 flight controller with a 55A 4-in-1 ESC, perfectly built for 2–6S FPV racing & freestyle drones. Balancing lightweight design, stable performance and rich expandability, it is an ideal core power solution for your FPV aircraft builds.
Core Specifications
【Flight Controller】
- Model: F405 (STM32F405RGT6 Processor)
- Gyroscope: ICM42688
- Firmware: HAKRCF405V2
- Input Voltage: 2–6S Lipo Battery
- Size: 36×36mm | Net Weight: 8.5g
- Mounting Hole: 30.5*30.5mm
- Onboard BEC: 5V/3A, 10V/2.5A
- Storage: 16MB Blackbox Memory
- UART Ports: 5 Ports
- Built-in Barometer
- 4 programmable colorful LED lights
- RX2 Pad supports SBUS signal
【4-in-1 ESC】
- Continuous Current: 55A | Peak Current: 60A (10s)
- Input Voltage: 2–6S
- Size: 44×44mm | Net Weight:13.5g
- Mounting hole: 20/30.5mm, Φ4mm
- Current Ratio:160
- Supported Protocol: PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600
- Tuning Software: BLHeliSuite16.7.14.9.0.3
Package Info
- Stack Total Net Weight: 23g
- Package Weight:71.5g
- Package Dimension:646435mm
【Packing List】
1 × F4 Flight Controller
1 × 55A 4in1 ESC
8 × M3 Orange Shock-absorbing balls
1 × 8P Wire
1 × LED4P Wire
1 × CRSF Receiver 4P Wire
1 × 35v1000uf Capacitor
1 × DJI O3 Air Unit Three-in-one Cable
1 × User Manual
【Key Advantages】
✅ Ultra-light stack design, effectively reduce drone takeoff weight
✅ High-precision ICM42688 gyro, excellent anti-vibration performance
✅ Wide 2–6S voltage support, compatible with most FPV frames
✅ Complete Dshot protocol support, fast & smooth motor response
✅ Reserved ports for DJI O3 Air Unit, easy for HD digital FPV setup
✅ Onboard multiple UART interfaces, convenient to install GPS, VTX, receiver and other modules
Suitable for FPV freestyle drone, racing quadcopter, cinematic aerial photography drone and custom industrial FPV platform.

- Model: F405 (STM32F405RGT6 Processor)
- Gyroscope: ICM42688
- Firmware: HAKRCF405V2
- Input Voltage: 2–6S Lipo Battery
- Size: 36×36mm | Net Weight: 8.5g
- Mounting Hole: 30.5*30.5mm
- Onboard BEC: 5V/3A, 10V/2.5A
- Storage: 16MB Blackbox Memory
- UART Ports: 5 Ports
- Built-in Barometer
- 4 programmable colorful LED lights
- RX2 Pad supports SBUS signal
Package Info
- Stack Total Net Weight: 23g
- Package Weight:71.5g
- Package Dimension:646435mm
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