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BNF FPV | Flywoo Explorer LR 4 V2 HD | 4-Inch | Micro Long Range | w/ Caddx Polar Digital HD System + TBS Crossfire RX

Flywoo's Explorer Long Range (LR) quadcopter is designed to feel like a 4-inch quad that's been scaled down a from 7-inch quad.

Ultralight at below 250 grams at take-off weight, this Micro FPV quad is equipped with GPS, TBS Crossfire RX, Caddx Polar Digital HD System and an independent model finder to give you the necessary confidence to push it to the maximum range of digital and analogue video transmission.

Packing a powerful GOKU 16x16 stack, 2700kV 1404 motors and 4-inch Genfam Props for maximum efficiency and low weight - you'll achieve flight times of over ten minutes on an iFlight 850mAh 4S LiPo battery or over 30 minutes flight time with an Explorer Lionpack 3000mAh 4S Li-ion Battery.

Cruising speeds of 40-50 km are super fast for such a small quad and it's also incredibly quiet. You will barely be able to hear it flying by as soon as you are a few dozen meters away.

Caddx Polar Digital System


  • This Version 2 (V2) features a powerful F745 flight controller, packed with features including a barometer, blackbox, 7 complete hardware serial ports, I2C functionality and WS2812 LEDs on each corner.
  • TBS Crossfire RX
  • Caddx Polar Digital HD System
  • Built-in Bluetooth module: You can use mobile devices to set the parameters of the flight
  • The lightweight 4-inch quad is below 250g even if you connect with the battery,
  • Easy to control and long flight time, we recommend this quad to FPV beginners and or advanced pilots who just like to cruise.
  • Built-in Smo 4k camera power cable
  • Upgrade GPS to V2.0, use copper foil to effectively prevent the signal from being interfered by Vista

Main Changelog V2

  • Vista Caddx Polar Digital HD System
  • Equipped with Goku F745 16x16 stack
  • GPS upgraded to V2.0 Faster and more stable
  • Built-in SMO 4K Camera power cable
  • Built-in BT-Nano Module


  • Item: Explorer LR 4 HD quad 
  • Weight: 162.8g (without battery)
  • Wheelbase: 168mm
  • FC & ESC : GOKU F745 Quad 16*16 STACK - ( FC+13A ESC )
  • Motors: NIN 1404 V2 2750KV ULTRALIGHT FPV MOTOR
  • Props: Gemfan 4024 2-blade
  • Receiver Option: Frsky XM+ / TBS Crossfire / Frsky R9M
  • HD digital camera & VTX: Vista Caddx Polar Digital HD System
  • Antenna: Atomic 5.8GHz Antenna Length 130mm ( UFL LHCP)
  • Battery Compatibility: iFlight 4S 650 95C XT30 | 4S 750 95C XT30 | 4S 850 95C XT30 | 4S 1300 120C XT30 | Explorer 18650 3000mah

Non-slip Upgrade

High Quality sticky battery pad for your LiPo Batteries. The durable battery pads are made from PU material that can stick to a battery at 90° on its side and rotate 180° without falling.


GOKU F745 16X16 STACK has a powerful F745 BGA chip, barometer, black box, WS2812LED, supports seven complete hardware serial ports, I2C and other functions are all open. Enough to meet all FPV needs.

In the Box

  • Prebuilt and tested Explorer LR Drone 
  • Carbon Side Plate
  • Spare screw
  • Gemfan 4024 Propellers

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