Introducing Happy Harry Speed Sign. Our Tripod Radar Speed Check Sign.

This unit is lightweight, easy to set up and transport. Hence, why it may be easier to use than, the trailer mounted. 

Because, it features a radar and LED display to inform drivers of their speed compliance, it helps improve safety on the road.

So, with long battery life, this power efficient speed check sign displays the current speed limit, the speed of the oncoming car, and a happy or sad face followed by ‘slow down’ text according to driver compliance.

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  • 100% Australian designed and made.
  • Long Battery Life
  • Quick Setup
  • Portable and Easy to Transport
  • Lightweight, easy for one person to manoeuvre.


Our Happy Harry Speed Signs detect and record the speed of each vehicle as it travels towards the sign, displaying a corresponding message visible for the driver to see. Also, Our Australian engineers have designed these messages to display either a ‘smiley’ or ‘sad face’ depending on whether the vehicle is travelling at the correct speed or over-speed. In addition, a speed limit sign can be displayed to inform drivers about a change in the speed limit.

  • Reduces the speed of traffic by creating awareness to drivers.
  • The public are conscious of speeding vehicles.
  • Prevents danger in high-risk locations.
  • Increases safety for all drivers on the road and pedestrians.
  • Prevents potential incidents in high-risk areas.
  • Cost effective solution for areas prone to speeding.


Tripod Radar Speed Check Sign

  • Power: Battery Powered, Powerful and efficient 32-bit processor, Ultra-low current draw
  • Battery: LIFEPO4
  • Power Consumption: In operation mode <500mA average
  • Power Efficiency: 85% (approximate)
  • Radar: AGD
  • Cooling: Passive (no fans)
  • Speed Recording: Stores 10,000 time-stamped speed records.
  • Stamp Source: Real time clock & calendar
  • Display: P165 RGB, 7-Colour LED
  • Display Modes: Speed limit & traffic speed
  • Programming: Desktop utility to retrieve events
  • Led: 100,000+ hours LED lifespan
  • Viewing Angle: 120 degrees
  • Optional Items: Touchscreen hand controller


  • Case Dimensions: 450mm x 600mm
  • Led Display Dimensions: 320mm x 320mm.
  • Resolution: 20 x 20
  • Battery Runtime: 12 Hours (approximate)