covers up to 1,500 sq. ft. for approximately ₹3,150, while their industrial-strength units reach up to 2,500 sq. ft..

Arjun stared at the dark corner of his Mumbai kitchen, where a fleeting shadow had just disappeared behind the refrigerator. It was monsoon season, and like many urban homes in India, his apartment had become a sanctuary for unwanted guests—specifically, the German cockroaches that thrive in humid kitchen cabinets and under sinks. Determined to find a chemical-free solution that was safe for his young daughter and the family dog, Arjun decided to research ultrasonic pest repellers.

: For larger coverage, he looked at Earth Innovation models. Their