Our pest repeller incorporates dual speakers that create a harsh ultrasonic siren,inaudible to humans, utilizes the electro-magnetic & ultrasonic sound technology to repel roaches, spiders, ants, rats, mice, fleas, ticks, silverfish, aphids, crickets, scorpions, and snakes in buildings where rodents and crawling insects are located specially in the insulation of walls, ceilings, feed areas, food storage areas, grain store-age facilities, bakery, warehouse, restaurant, kitchen, factory, supermarket[...]

Ultrasonic Dog Repeller This unit has been designed to release an ultrasonic wave that will transmit 20feet. The ultrasonic sound emitted by Dog Off Trainer gets dogs attention and stops them in their tracks. As a defensive measure against an attacking dog, when the attacking dog approaches, hold the repellent button down and aiming directly at it. The sound is irritating to dogs, but is completely safe, humane, and inaudible to humans. Dog Off Trainer can be handy for joggers, postal workers and[...]