This is a must-buy product to deter destructive animals away. Do bear in mind to set up the device under the sunshine, facing directly to the directions where unwanted animals come from for maximum effectiveness. 3.Bird-X PRO Electronic Bird Repeller Version WP Separate speakers driven by one control box means the MPS system gives flexible speaker positioning options for areas that are difficult to protect. Each speaker supplied with a 10m cable pre-attached and protected against water ingress.” I recognize that this version is most effective for starlings and sparrows as it produces 3,000-5,000 Hz sound, falling into the hearing range of these bird types. Apart from it, the loud blast of 105-110 dB makes pigeons warn pigeons of not coming to this protected area.

Lastly, the strongest setting, in combination with alarm and intense flashing LED light, would be a scary threat to wild animals, namely bats, birds, rodents. This highest level emits high-pitched sound over 24,500 Hz, which is far higher than humans’ auditory range. However, the alarming sound is still annoying to me. Sometimes, we can hear the sounds inside our house and from the front yard. My teenie kids seem to be more sensitive to the sound, as they can hear the light beeping noise but do not feel overwhelming. By contrast, my middle-aged neighbors rarely detect the noise, and maybe it is due to their aging hearing loss, I guess. Ultrasonic bird control device gives off the high-pitched sound to drive trouble-makers birds away. devices can be used to any effect as a stand-alone scarer, but combined with other deterrents and anti-perching products the sonic system has a place The environmentally friendly Intelligent Power System (IPS) technology saves energy for the DC battery and activates the unit when the AC power fails. The IPS provides an uninterrupted power system that allows the unit to continue operating even after the AC power fails.of birds do not hear ultrasonic sound in the range of 20 KHz and therefore there is no valid biological base for the assumption that ultrasonic can be used Let’s put such noisy devices aside for a short while, here comes a portable spinning Bird B Gone Repellent. I have to emphasize that this model is not an ultrasonic pigeon repeller, as it uses the spinning movement to prevent birds from landing on the guarded area. It is appraised as an animal-friendly deterrent. Pro Sonic SystemAccording to manufacturers and distributors, ultrasonic bird scarers are particularly effective for use with pigeons but some scientists and When the batteries are fully charged, it rotates at a pretty fast rate. This item works directly on the place where it is mounted only, not prevents birds from a distance.

Pigeons can detect infrasound, not high-pitched sound. Therefore, you have to choose the proper device emitting proper sound frequency to drive birds away effectively.When it comes to residential or commercial bird problems you want to find the right balance between repellents that will work effectively in scaring away birds long term. Our Ultrasonic range is customised for small or large enclosed or semi enclosed areas. For larger areas our Ultrasonic X or Quadblaster emits soundwaves felt and heard by the birds. The repellers broadcast irritating, alarming , ultrasonic frequencies which confuse disorient, and intimidate the birds forcing them to leave. Over the past few years Birdsoff has been treating the bat population with these frequencies too having great success. For more severe infestations or for larger sized areas you may need to add spikes, lasers or visual scares to gain greater success. with the device in this application would be its ability to deter the target species. A number of branded sonic and ultrasonic scarers are recommended for The following manufacturer’s product description is for the ‘Maxi Wailer’ ultrasonic pigeon & bird scarer:

If the problem is outdoors, ultrasonic devices that work well in large areas should be considered as well as those with waterproof speakers and control panels. Battery Type Bio-acoustic sounds are considered to be effective for general-purpose bird-scaring due to the fact that they act on the target species’ instinct to avoid danger. due to the risk of habituation, the process of risk assessment must be undertaken all over again to ensure that the reflected sounds not only continue to be effective The unit employs heavy-duty "surround sound" incorporating a separate control box plus four powerful directional speakers (each with 30 meters of wire)

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These audible bird scarers exploit a pest bird’s in-built reaction to hearing its own species-specific distress call, causing it to flee the hostile environment beyond the audible range of the distress call. As many ultrasonic devices are installed outdoors, it may not be close to an electricity source. The best bet for outdoor use would be to go for those with solar rechargeable batteries. Budget harassments, and newest-technology ultrasonic waves. Distress Cries repel Starlings, Gulls, Pigeons and more: This gadget work on a detection area of 110 degrees only, so it is suitable for a smaller place with erected fences and walls. To take good advantage of its infrared area, I place it in the closed corner of my fence, facing towards the main entrance, where the wild animals mainly come from. It can also affect rodents, squirrels, raccoons, and other pests. Take note, however, that if you have birds as pets and other smaller animals that can be affected by the sound, ultrasonic repellers may not be the right choice.