HappyModel Larva X Brushless Micro Racing Drone (BNF / 2-3S / FrSky)

Regular price $114.99

Shipping calculated at checkout. See Shipping Policy for shipping times.

Happy Model Larva X is hands down the best flying micro out there. Easily the best micro drone under 100 grams. - Stew / UAVFutures

Notes: The LarvaX will include either the HQPROP T2.5*2.5*3 or EMAX Avan randomly.


Wheelbase: 100mm
Size: 88mm*88mm*45mm(without propellers)
Weight: 50g(without battery)
Recommended Battery: 3S 300mah/350mah or 2S 450mah


  • New Crazybee F4 PRO V3.0 AIO Flight controller 2-4s Lipo Compatible
  • Powerful and smoothly
  • Betaflight OSD support, easy to get RSSI, Voltage, current from your goggles
  • Camera Angle adjustable
  • VTX power switchable 25mw~200mw
  • Smartaudio ready, change VTX bands, powers, channels via OSD
  • Diamond VTX Ready
  • Compatible both for 2s-3s Lipo/LIHV

Package includes:

  • Larva X frame (1)
  • Receiver Option1: Crazybee F4FR V3.0 PRO FC
  • 1103 KV7000 motor (4)
  • 2.5inch propellers (4cw+4ccw) (1)
  • Camera: Runcam Nano2 (1)
  • VTX: 5.8g 25mw~200mw switchable with 720p DVR (Diamond_vtx) (1)
  • Propeller disassemble tool (1)
  • Screwdriver (1)

Spare parts specifications:


  • EX1103
  • 7000 Kv
  • Configuration:9N12P
  • Stator Diameter:11mm
  • Stator Length:3mm
  • Shaft Diameter: Φ1.5mm
  • Motor Dimension(Dia.*Len):Φ13.5mm*16mm
  • Weight(g):3.7g

Flight controller:

  • (No RX version) CRAZYBEE F4 PRO V3.0 Firmware target: CrazybeeF4DX
  • MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
  • Sensor: MPU-6000(SPI connection)
  • Board size: 28.5 * 28.5MM
  • Power supply: 2-4S battery input (DC 7-17V)
  • Built-in 10A(each) Blheli_S 4in1 ESC Dshot600 ready
  • Built-in Betaflight OSD(SPI Control)
  • Built-in Current meter Max 70A
  • Current meter scale set to 470
  • Built-in 5V 1A BEC
  • Built-in voltage detection

Onboard 4in1 ESC:

  • MCU upgraded to EFM8BB21
  • Power supply: 2-4S LiPo/LiPo HV (7v/17v)
  • Current: 10A continuous peak 12A (5 seconds)
  • Support BLHeliSuite programmable
  • Factory firmware: F_H_40_REV16_5.HEX
  • Default protocol: DSHOT600

External Frsky XM+ version:

  • Weight: 1.5g
  • Operating Voltage Range: 3.5V~10V
  • Operating Current:70mA@5V
  • Firmware Upgradable
  • Compatibility: FrSky X Series modules and radios in D16 mode


  • Output power: 25~200mw switchable
  • Frequency: 40CH
  • Input voltage: 3.3V 5.5V
  • Current consumption: 250mA~510mA(type)
  • Antenna: RG178 antenna
  • U.FL interface
  • Frequency: 5.8GHz 5bands 40 channels w/ Raceband
  • Smartaudio ready
  • Weight: 3g without antenna
  • Video Output Size: VGA (640×480)
  • Video Output Format: NTSC
  • Record video size: 1280×720 @25FPS
  • TF Card support: Max 32G
  • Interface: JST SH1.0 3pin for Camera
  • JST SH1.0 5pin for Connect with F3/F4 Flight controller
  • Compress Format: AVI


  • Model: Runcam Nano 2
  • Image Sensor: 1/3″ CMOS
  • Horizontal Resolution: 700TVL
  • Lens: 2.1mm(M8) FOV 155°
  • Signal System: NTSC / PAL
  • S/N Ratio: >50dB
  • Electronic Shutter Speed: Auto
  • Auto Gain Control (AGC): Auto
  • Min. Illumination: 0.01Lux@1.2F
  • D-WDR: Auto
  • Day/Night: Color
  • Power: DC 3-5.5V
  • Current : 110mA@5V 120mA@3.3V
  • Housing Material: ABS
  • Net Weight: 3.2g
  • Dimensions: L14mm*W14mm*H16mm

Attention: These drones come flashed with a custom firmware from the manufacturer to provide optimal performance. Updating the firmware may cause undesirable results, including bricking the board.

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