Ultrasonic devices the trouble with these bird control devices is that birds cant hear the sounds emitted by them and there is no scientific evidence that these devices actually work.
Bird deterrent ultrasonic.
Ultrasonic bird repeller puts out 90 db of sound pressure at 1 meter.
The bird x balcony guard ultrasonic bird repeller utilizes ultra sonic sound waves to efficiently and effectively frighten annoy and control pigeons other birds and bats within a 900 sq.
Here are some tips to increase the deterrent effect of the device.
Choose an ultrasonic sound device to scare birds away and you can feel better about not harming the pest birds or the environments they inhabit.
The emitted sounds annoy pest birds drives them away to areas that are more calm untreated.
Use more deterrent methods.
Ultrasonic bird deterrent devices are far more eco friendly and humane than unsafe bird control products that use traps or poisons.
It covers up to 900 sq ft and has adjustable sound range volume and modes.
The balcony gard is a low profile bird control device that uses ultrasonic sound waves silent to most humans high pitched and irritating to birds to force away unwanted pest birds small animals.
While birds do react to sounds faster than humans they still have the same audio frequency hearing range that we do.
There is an adjustable frequency range of 15 to 25 khz to cover up to 900 square feet.
The first marvellous ultrasound bird repeller should be put in your shopping cart is the bird x ultrasonic bird repellent.
After purchasing the right ultrasonic repellent you must use it properly.
Bird repellent reflective scare rods ornamental spiral deterrent control device with bonus replacement string 15 inch 8 pack 3 9 out of 5 stars 2 302 14 95 14.
This device produces high pitched ultrasound waves of 15 000 25 000 hz and periodic chirp sound to eliminate birds from perching and roosting.
This is beyond the range of normal human hearing so it is harmless to children it is but well within the audible range of birds and works to scare them off.
Bird x balcony gard ultrasonic bird repeller this deterrent uses ultrasonic sounds almost inaudible to humans but effective against birds.