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Happymodel Crux3 ELRS 1S - 115mm Wheelbase, 3-Inch F4 Toothpick FPV Racing Drone with 5.8G VTX & Caddx ANT 1200TVL Camera - Ideal for Fast-Paced Drone Races and Enhanced Video Quality

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Current price NZ $334.00
Original price $426.00
Original price $426.00 - Original price $426.00
Original price $426.00
$334.00 - $334.00
Current price NZ $334.00
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Receiver: 2.4GHz ELRS SPI

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Product Description:

Introducing the Happymodel Crux3 1S ELRS Toothpick Drone

The Happymodel Crux3 1S ELRS is a cutting-edge toothpick FPV racing drone that offers superior performance in a small and lightweight package. Featuring the latest technology in flight control, brushless motors, and camera, this drone is perfect for both beginners and expert racers. The Crux3 is compatible with the CaddxFPV Peanut and Insta360 GO2 cameras, and delivers an impressive 4.5 minutes of flight time when using a 1S 650mAh battery. Experience the thrill of flying with the Happymodel Crux3 1S ELRS today!

Key Features and Specifications

  • 40g 1S brushless toothpick drone for agile and responsive flight performance.
  • AIO flight controller with ELRS receiver and 5.8G VTX for seamless integration.
  • CADDX ANT 1200TVL camera for crystal clear aerial footage.
  • New 1202.5 KV11500 brushless motor for increased power and efficiency.
  • Compatible with CaddxFPV Peanut and Insta360 GO2 for versatile camera options (cameras not included).
  • Impressive flight time of 4.5 minutes with a 1S 650mAh battery (not included).


Brand Name: Happymodel
Model: Crux3 1S ELRS
Item Name: 115mm F4 1S Toothpick FPV Racing Drone BNF
Wheelbase: 115mm
Size: 97mmx97mmx35mm (without propellers)
Weight: 40g (without battery)
Motor: EX1202.5 KV11500
Propellers: Gemfan 75mm
Flight Controller: STM32F411CEU6 with MPU6000 / ICM20689 or BMI270
Onboard 4in1 ESC: EFM8BB21 1S 5A
Onboard SPI ExpressLRS 2.4GHz Receiver
Onboard 5.8G VTX: 25mW~200mW, 40CH with Race band and Smartaudio
Caddx ANT 1200TVL Camera: 1/3" CMOS Sensor, Global WDR, 3D DNR
Recommended Lipo Battery: 1S 450mAh / 650mAh / 660mAh / 720mAh PH2.0 Plug (not included)

Package Contents:

  • 1x Crux3 Frame and canopy
  • 1x ELRS F4 2G4 flight controller with built-in SPI ExpressLRS 2.4G receiver
  • 4x Happymodel EX1202.5 KV11500 brushless motors
  • 1x Gemfan 75mm bi-blade propellers (4cw+4ccw)
  • 1x Caddx Ant 1200TVL Global WDR with OSD 2g Ultra Light Nano FPV camera
  • 1x 5.8G 25mW~200mW 40ch VTX (Flight controller built-in)
  • 1x Screwdriver
  • 1x Propeller disassemble tool
  • 3D Printed canopy for Insta360 GO2 and CaddxFPV Peanut
  • 1x Happymodel Handbag (for convenient storage and transportation)

Product Specifications


Mode: EX1202.5 KV11500
Stator Diamter:12mm
Stator Length:2.5mm
Shaft Diameter:Φ1.5mm
Motor Dimension(Dia.*Len):Φ14mm*14.5mm
No.of Cells(Lipo):1S


Gemfan 75mm

Center Thickness:5mm

Prop Diameter:75mm

Center Hole diameter:1.5mm


Flight controller

MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU6000 / ICM20689 or BMI270 (SPI connection)
Original whoop size compatible
Power supply: 1S battery input (DC 2.9V-4.35V)
Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
Built-in Betaflight OSD(SPI Control)
Built-in 5.8G VTX
Built-in SPI ExpressLRS 2.4GHz receiver

Built-in 5V 1A BECFlight controller

firmware target: CRAZYBEEF4SX1280

Onboard 4in1 ESC

MCU upgraded to EFM8BB21
Power supply: 1S LiPo/LiPo HV

Current: 5A continuous peak 6A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: O_H_5_REV16_7.HEX
Default protocol: DSHOT300

Onboard SPI ExpressLRS 2.4GHz Receiver

Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHz

Antenna : SMD antenna
Telemetry output Power: <12dBm

Receiver protocol to flight controller: CRSF

Could bind with All ExpressLRS 2.4GHz TX module , ExpressLRS firmware need 1.0.0 or latest

Onboard 5.8g VTX

Output power: 25mw~200mw switchable
Frequency: 40CH
Input voltage: 3.3V 5.5V
Current consumption: 300mA(type)
Frequency: 5.8GHz 5bands 40 channels
With Race band

Smartaudio ready

Caddx ANT 1200tvl camera

Image Sensor: 1/3" CMOS Sensor

Horizontal Resolution: 1200 TVL

TV System: NTSC or PAL

IMAGE: 16:9 or 4:3

Synchronization: Internal

Electronic Shutter: PAL: 1/50~100,000; NTSC: 1/60~100,000

S/N Ratio : >52dB (AGC OFF)

Video Output: CVBS

Lens: 1.8mm

Min. Illumination: 0.001Lux@F1.2

Auto Gain Control: YES


WDR: Global WDR


Dimensions: 14*14mm(with bracket to 19*19mm)

Wide Power Input: DC 3.7-18V

Work Temperature: -20℃~+60℃

Weight: 2g (N.W.)

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