Animal repeller is specially designed as the safety product which can be used against the harmful animals like aggressive dogs and bears. It is usually used against dogs. We hear now and then about many cases in which people get injured by the lose dogs. To keep yourself safe from such kind of situations you have to use the animal repellers. These are usually used by the mailmen because they have such kind of job that they have to go door to door and usually they roam around the streets. Mailmen have to visit lots of homes on daily basis and mostly people like to have the dog guards and because the mailmen are strangers to them so they can bite them.
General people can also have it with them during the morning or evening walk or even when they go to the market. Mace or pepper sprays are the most popular repellers used by the people. It can affect the breathing tissues of the animal and also make is blind for shorter period of time. When it happens you can get the time to get away from that site. There is another type of animal repeller also available in the market which is known as the ultrasonic dog chaser. It is also very effective. It is like an electronic device which can emit the sound of 135 decibels which is really intolerable by the dogs but it does not affect the human ears. With the pressing of the devise button, the dog is directly targeted. It can produce the high pitch teasing sound which frigtens the dog and you can easily get a time to run away.
On the hilly or snowy areas the danger of the big bears also create fear because it can injure a person very badly that can lead to death. Repellers can be used against these bears as well. Mostly the bear repellent pepper spray is used by the people. You should know the tactic of using this because it will be effective if you will use it at the distance of 15-20 feet from the bear.