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Ripmax Udi U42HW Petrel RTF - WiFi with Altitiude Hold & HD Camera


The UDI U42HW Petrel is a versatile quadcopter packed with features making it perfect for those with little or no flying experience. The Petrel is supplied with a dedicated transmitter but it has built-in Wi-Fi functionality allowing you to clip a suitable phone to your transmitter and watch a live 'FPV' video stream directly in real time. The phone app is capable of controlling the quad also, so you don't even need to use the transmitter if you don't want to!


Altitude Hold

The U42HW comes equipped with an 'Altitude Hold' feature for easy and precise flying. The built-in sensors that measure the height your flying at to give you an even more stable quadcopter. If you move the throttle stick forward the Petrel goes increases in height but when you centre the throttle the Petrel 'locks-in' at its current height until you tell it what to do! This make it easy to learn to fly but it also makes for smoother video with a constant height.

Wi-Fi Control

The Petrol features a Wi-Fi connection allowing for a live video stream and control from a suitable phone.

720P HD Camera

Forward-facing camera takes HD video and HD photos with great colour and white balance. Movie resolution has been upgraded to 1280 720 at 30 frames per second. Removable Micro-SD (TF) card stores enough for several flights. Data port and USB Data Cable - upload your new AVI and JPEG files to Facebook, Email.

One Button Take Off

The drone will hover at certain altitude automatically after taking off.

One Button Landing

The drone will fly down slowly and land on the ground automatically before the motors stopping.

Headless Mode

Fly the quadcopter just ignore the direction.

360 flips

To do 360 flip to forward / backward / left / right.

2.4GHz LCD Controller

Smart simple handling, plus attentive ergonomic design, automatically assigned ID, all of this, you are so handy.

LiPo Battery

Completely assembled airframe, 3.7V 500mAh lithium batteries with longer flight time.

USB Charger

Equipped with USB charger, which has various kinds of charging ways and makes charging become more convenient.

Multi Axis Gyro

6 AXIS GYRO with posture control - Integrated design guarantee the precise positioning of the aircraft.

Fully-Assembled Airframe

Full assembled airframe design with tough and lightweight features. The Blade guards are designed to protect the quadcopter from crashing against hard surface.

Box Contains:

  • 1x U42HW Quadcopter
  • 1x Controller
  • 1x 3.7V 500mAh Drone Battery
  • 1x USB Charger
  • 1x SD Card Reader
  • 1x Blades (4pcs/1 set)
  • 1x User Manual

Required for Use: 4 x 1.5V 'AA' Alkaline Batteries


  • Flight Time: 6-7 Minutes (Approx)
  • Lights: LED (Inc.)
  • Camera: 640 x 480px (Inc.)
  • Charge Time: 70 Minutes (Approx)
  • Weight: 120g
  • Radio System: Wi-Fi
  • Charger: USB (Inc.)
  • Dimensions: 361 x 355 x 107mm
  • LiPo: 1S1P 3.7V 500mAh (Inc.)
  • Type: RTF
  • Rotor Diameter: 146mm

  • More images


    £74.99 Each

    Out of stock.
    Contact Steve Webb Models
    for more details
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