The box, which is attached to the ceiling above the breezeway connecting the station's east and west entrances, is called an ultrasonic bird repeller. WMATA installed the device a number of years ...

Ultrasonic animal repellers scare them away from your house, garden, yard and stop animals from ravaging your favorite plants. 【Keep Your Garden Safe】The built-in motion detection sensor is ...

About Bird-X Inc. Bird-X Inc. was established in Chicago back in 1964, says Kogan. “Our first product was an ultrasonic bird repellent device engineered to affect pest birds by using an ultrasonic ...

There is no catapult this time; instead, modern battle axes have been lined up below — ultrasonic bird repellers and strobe lights. CMRL has had to resort to such devices after it found that ...

Use an ultrasonic bird repellent The expert added: “Another harmless solution is ultrasonic bird repellent. Birds are driven away from a distance using sound waves. In quiet areas where noisy ...