QuadBlaster QB-4 Indoor Ultrasonic Bird Repeller

Emits ultrasonic "silent-to-humans" technology specially designed to disorient, intimidate and confuse unwanted birds out of treated area(s) from four speakers. When birds are exposed to these irritating sound waves, they are forced to find calmer and untreated areas to linger. This industry favorite ultrasonic bird control system is used worldwide, protecting facilities from damage and liability. Sound pressure of 112 dB at 1 meter with a frequency range of 20 to 30 kHz. Includes a 6' power cord. 6"L x 4"W x 4"H Strobe.