There is an adjustable frequency range of 15 to 25 khz to cover up to 900 square feet.
Bird deterrent ultrasonic.
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The emitted sounds annoy pest birds drives them away to areas that are more calm untreated.
It covers up to 900 sq ft and has adjustable sound range volume and modes.
Here are some tips to increase the deterrent effect of the device.
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.
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.
Bird x balcony gard ultrasonic bird repeller this deterrent uses ultrasonic sounds almost inaudible to humans but effective against birds.
Ultrasonic bird repeller puts out 90 db of sound pressure at 1 meter.
Ultrasonic bird deterrent devices are far more eco friendly and humane than unsafe bird control products that use traps or poisons.
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.
A weatherproof exterior helps this repeller last for reliable outdoor use.
Aside from using an ultrasonic deterrent you should also employ other methods like shiny discs decoy predators scare tape chimney cowls and more.
After purchasing the right ultrasonic repellent you must use it properly.
While birds do react to sounds faster than humans they still have the same audio frequency hearing range that we do.
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.
Use more deterrent methods.