Electronic whistle

Electronic Whistle (Traffic Police)

Electronic whistle device

The device uses electrically generated whistle sound for the police to easily handle the traffic without exposing their mouth and nose directly to the polluted air. The whistle is activated by a switch attached to the glove. The switch is composed of a sensor which changes its properties according to the positions and movements of the fingers. The device is powered by a rechargeable or a pre-charged battery.


  • Nuwan Janaka
  • Tharindu Madanayake
  • Supun Tharanga