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Walksnail AvatarHD Pro Kit (Single Antenna)

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HD Pro Kit (Single Antenna)

Sony Starvis II Sensor

Built for extreme low-light performance. The new-generation Sony Starvis II sensor delivers clean, detailed images with excellent night vision. Less noise, more clarity.

Sony Starvis II Sensor

Gyro Stabilization Supported

Built-in high-precision gyroscope records motion data in real time. Even during high-speed or aggressive flights, footage stays smooth and stable.

Gyro Stabilization Supported
  • Stabilization OFF
  • Stabilization ON

F1.6 Large Aperture — Night Looks Like Day

The F1.6 large aperture dramatically increases light intake. Combined with a high-performance sensor and image algorithms,
it reduces noise and improves dynamic range for clean, sharp frames.

F1.6 Large Aperture — Night Looks Like Day

High Frame Rate Image — Ultra-Smooth Flight

Stable and clear output with high frame rate support. No ghosting, no stutter. A more immersive FPV experience.

High Frame Rate Image — Ultra-Smooth Flight
  • Pro Camera
  • Other Camera

160° Ultra-Wide FOV — See the unseen

Up to 160° ultra-wide field of view delivers a more immersive and expansive perspective.

160° Ultra-Wide FOV — See the unseen

AVATAR VTX V2 — Built-in 32GB Storage

Record 1080P / 720P HD video directly. Up to 4× longer recording time. No external DVR needed.

AVATAR VTX V2 — Built-in 32GB Storage

Dual Mounting Patterns — Easy Installation

Supports both 20×20mm and 25.5×25.5mm mounting. Wide compatibility with most frames. No adapter required.

Dual Mounting Patterns — Easy Installation

Wiring Diagram

Wiring Diagram

Binding (Pairing)

  • 01
    Power on both the air unit (airside) and the goggles.
  • 02
    After both devices have finished booting, short-press the pairing button on the air unit and the goggles respectively. When pairing mode is entered, the LED on the air unit will turn red, and the goggles will emit a beep… beep… beep… sound.
  • 03
    Once pairing is successful, the LED on the air unit will turn solid green, the buzzer on the goggles will stop, and the live video feed will appear on the screen.

Firmware Upgrade

Please download the latest firmware from the official website. The file Avatar_Sky_X.X.X.img is the firmware for the air unit. Copy the file to the USB drive of the air unit (the air unit must be powered on). Do not rename the file.

Status Indicators

Goggles Beep Indicators
PairingBeep… Beep… Beep…
UpgradingBeep… Beep… Beep… Beep—
Upgrade FailedBeep… Beep… Beep…
VTX LED Indicators
PairingSolid Red
UpgradingFast Red Flash
Connected & TransmittingSolid Green
Not ConnectedFast Green Flash
Connected, Image ErrorSlow Green Flash

Avatar HD V2 vs HD Pro Camera – Detailed Comparison

Key ParameterAvatar HD V2 CameraAvatar HD Pro CameraDifference
Image Sensor1/3.2" 4MP (4:3)1/1.8" Sony Starvis II 8MPPro features a larger sensor for superior low-light performance
Resolution1080p @ 60fps; 720p @ 60/100fpsSameNo difference
ApertureF2.0F1.6Pro delivers approx. 25% higher light intake
Minimum Illumination—0.0001 LuxPro supports ultra-low-light shooting
Weight7.2 g9.5 gV2 is lighter
Dimensions19 × 19 × 22 mm19 × 19 × 24 mmPro is slightly thicker (+2 mm)
Recommended UseDaily flying; well-lit environmentsProfessional racing; night / low-light environmentsPro is optimized for high-end applications

VTX Single Antenna vs Dual Antenna – Detailed Comparison

Key ParameterSingle Antenna VersionDual Antenna VersionAdvantage
ModelAvatar V2 ModuleAvatar Dual V2 ModuleDual antennas provide more stable signal
Number of Antennas1 (IPEX)2 (IPEX)50% improved anti-interference capability*
Transmit PowerFCC <30 dBmSameNo difference
Mounting Compatibility20 / 25.5 mmDirect replacement, no modification neededEasier installation
End-to-End LatencyAverage 22 msImperceptible latencySmoother transmission
Recommended UseStandard flyingRacing / complex electromagnetic environmentsStronger wall-penetration performance

User Buying Guide

Important Notes

Dimensions

Dimensions

In the Box

USB Extension Cable | 4-pin Silicone Cable | M2×4 mm Screws | M2×5 mm Screws | M2×6 mm Screws | M2×14 mm Screws | M2×5×0.5 mm Spacers

In the Box

Specification

Camera

ModelAvatar HD Pro Camera
Image Sensor1/1.8" Sony Starvis II Sensor
Resolution1080P/60fps; 720P/120fps; 720P/60fps; 1080P/100fps (Compatible); 1080P/120fps (Compatible)
Aspect Ratio16/9;4/3
Lens8Mp
FOV160°
ApertureF1.6
Shutter Rolling Shutter
Minimum Illumination0.00001Lux
Weight9.5g
Dimensions19*19*24mm
Coaxial Cable Length140mm

VTX

ModelAvatar V2 Pro Module (Single Antenna)
Communication Frequency5.725-5.850GHz
Transmit Power (EIRP) (EIRP)FCC:<30dBm;CE:<14dBm;SRRC:<20dBm;MIC:<25dBm
I/O InterfaceJST1.0×4 (Power Input); JST0.8×6 (USB)
Mounting Hole Pattern25.5*25.5mm;20*20mm
Dimensions33.5*33.5*10.5mm
Storage32G
Recording1080P/720P
Weight15.4g
Operating Temperature-20-40°C
Channels8
Wide Voltage Input6V-25.2V
Supported FC SystemsBetaflight; inav; Fettec; ArduPilot; Kiss
OSDCanvas Mode
Average Latency22ms
Antenna2(IPEX)

Avatar V2 Antenna

PolarizationLHCP
Frequency Range5600MHZ-6000MHZ
Gain1.9dBi
VSWRS1.5
Input Impedance50Ω
ConnectorIPEX-1
DimensionsR15X45mm
Weight2g

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