Invisible Eye

அறன்ஈனும் இன்பமும் ஈனும் திறனறிந்து
தீதின்றி வந்த பொருள் - திருக்குறள்

Electronic Whistle

Electronic Whistle

The electronic whistle operates with a push of a button instead of blowing like a traditional whistle. This electric whistle has many uses including lifeguards, referees, umpires, tour guides, sport trainers, cheerleaders, traffic cops, police, military training, dog handlers, or even as an emergency locator (earthquakes, collapsed buildings.)

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