The cat's eye, also known as the door mirror, is a small optical instrument mounted on the door of a residential house so that residents can observe outdoor conditions. Has become a necessity for home security. It consists of a concave lens (objective lens) and a convex lens. The focal length of the objective lens is very short. It makes the outdoor person or object into a virtual image that is standing upright. This image falls right within the focus of the eyepiece, and finally it gets an enlarged upright virtual image. This image is just a visible distance from the human eye. Nearby, the situation outside the door can be seen clearly.
E-cat's eye, also known as video doorbell, integrates the functions of cat's eyes and doorbells, overcomes the deficiency of traditional optical cat's eyes and potential safety hazards, and increases the role of monitoring. It is widely used in homes and high-end hotels. An upgrade and replacement product for the optical cat eye.
Electronic Cat Eyes Traditional Cat Eyes Compared to Traditional Cat Eyes:
The traditional cat's eye is optical imaging, which has many inconveniences in practical use. For example, the perspective is not large enough and the viewing scope is limited. Must be close to the door to see. In the evening, the corridor can not be used without lights. The elderly have poor eyesight and the children are not tall enough for them to use.
Apart from the inconvenience, it is more important to lay a hidden danger for the safety of the family. A cat eye peek has emerged in the society. Through it, criminals can see indoor conditions from outside the door. Apart from the protection of privacy, criminals will be facilitated to commit crimes. I only paid a little attention. We often see reports from the media: Criminals found no one in the house, removed the cat's eyes, and used tools to reach inside the door to open locks for theft.
Electronic cat's eye:
The electronic cat's eye overcomes all these drawbacks and integrates the doorbell function. It also strengthens the monitoring and safety performance of the cat's eyes.
Electronic cat cat specific comparison with the conventional traditional cat <br> <br> â‘ insufficient image irregularities deformed, and less viewing angle, see the limited range;
2 need to be close to the door to see, the elderly are not easy to see the eyesight, the height of the child out of reach, unable to watch;
3 When the light is insufficient or when there is no light at night, the situation outside the door cannot be clearly seen;
4 There is no doorbell function, but also need to install a doorbell;
5 optical imaging, using "anti-cat's eye" can see the interior from the door;
6 is mostly easily deflated;
The difference electronic cat at <br> <br> electronic cat is actually an upgrade traditional cat's eye, specifically, they have two different aspects:
(1) The first is to overcome the inconvenience of using traditional cat eyes;
1 large wide-angle and high-pixel camera, the image is not deformed, the scope of viewing is also quite large;
2 large-screen LCD screen can be seen from a long distance;
3 night lights, no lights in the environment as usual;
4 integrated doorbell function, doorbell and cat's eye are integrated, the bell sounds, the screen display;
(2) The second is to fundamentally prevent the possibility of peeping from outside the door and strengthen the role in security.
1 There is a memory function. When someone rings the doorbell, not only can they hear the ringing tone, they can see the guest from the screen. It can also take pictures and videos. This is very good. It can remember the incoming person's voice and picture information, or it is also very convenient. Leave a message to the owner and play it back when we need it.
2 In addition to automatic memory is the detection function, in a certain range, after sensing the human body, it will automatically take pictures and videos, which is a very useful security monitoring function;
â‘¢ alloy outside the machine, installed from the outside, to the cause of action tamper <br> <br> replace traditional electronic cat cat's eye
The benefits and advantages of the electronic cat's eye relative to the traditional cat's eye are all clear to everyone. This is one of them. The second is that the electronic cat eye itself is in the field of electronic technology applications. Other smarter and more abundant technologies will be used. For example, such as wireless intercom, etc., will increasingly become part of the overall home security system. Therefore, it is certainly necessary to replace the traditional cat's eyes.
E-cat's eye, also known as video doorbell, integrates the functions of cat's eyes and doorbells, overcomes the deficiency of traditional optical cat's eyes and potential safety hazards, and increases the role of monitoring. It is widely used in homes and high-end hotels. An upgrade and replacement product for the optical cat eye.
Electronic Cat Eyes Traditional Cat Eyes Compared to Traditional Cat Eyes:
The traditional cat's eye is optical imaging, which has many inconveniences in practical use. For example, the perspective is not large enough and the viewing scope is limited. Must be close to the door to see. In the evening, the corridor can not be used without lights. The elderly have poor eyesight and the children are not tall enough for them to use.
Apart from the inconvenience, it is more important to lay a hidden danger for the safety of the family. A cat eye peek has emerged in the society. Through it, criminals can see indoor conditions from outside the door. Apart from the protection of privacy, criminals will be facilitated to commit crimes. I only paid a little attention. We often see reports from the media: Criminals found no one in the house, removed the cat's eyes, and used tools to reach inside the door to open locks for theft.
Electronic cat's eye:
The electronic cat's eye overcomes all these drawbacks and integrates the doorbell function. It also strengthens the monitoring and safety performance of the cat's eyes.
Electronic cat cat specific comparison with the conventional traditional cat <br> <br> â‘ insufficient image irregularities deformed, and less viewing angle, see the limited range;
2 need to be close to the door to see, the elderly are not easy to see the eyesight, the height of the child out of reach, unable to watch;
3 When the light is insufficient or when there is no light at night, the situation outside the door cannot be clearly seen;
4 There is no doorbell function, but also need to install a doorbell;
5 optical imaging, using "anti-cat's eye" can see the interior from the door;
6 is mostly easily deflated;
The difference electronic cat at <br> <br> electronic cat is actually an upgrade traditional cat's eye, specifically, they have two different aspects:
(1) The first is to overcome the inconvenience of using traditional cat eyes;
1 large wide-angle and high-pixel camera, the image is not deformed, the scope of viewing is also quite large;
2 large-screen LCD screen can be seen from a long distance;
3 night lights, no lights in the environment as usual;
4 integrated doorbell function, doorbell and cat's eye are integrated, the bell sounds, the screen display;
(2) The second is to fundamentally prevent the possibility of peeping from outside the door and strengthen the role in security.
1 There is a memory function. When someone rings the doorbell, not only can they hear the ringing tone, they can see the guest from the screen. It can also take pictures and videos. This is very good. It can remember the incoming person's voice and picture information, or it is also very convenient. Leave a message to the owner and play it back when we need it.
2 In addition to automatic memory is the detection function, in a certain range, after sensing the human body, it will automatically take pictures and videos, which is a very useful security monitoring function;
â‘¢ alloy outside the machine, installed from the outside, to the cause of action tamper <br> <br> replace traditional electronic cat cat's eye
The benefits and advantages of the electronic cat's eye relative to the traditional cat's eye are all clear to everyone. This is one of them. The second is that the electronic cat eye itself is in the field of electronic technology applications. Other smarter and more abundant technologies will be used. For example, such as wireless intercom, etc., will increasingly become part of the overall home security system. Therefore, it is certainly necessary to replace the traditional cat's eyes.
1. Bathroom spray gun, can also be called a women's washer.
2. The general spray gun comes with a pressurization module, often used as a flushing toilet, but also can facilitate flushing the corner of the toilet, cleaning the basin, cleaning the broom and other functions, after installation, you will find that the function is simply too humane. 3. When installing, you only need to use a three-way angle valve at the toilet access. One way the water goes into the toilet and the other way into the spray gun. There are multiple options for spray gun water pipes, among which explosion-proof bellows and telephone line hoses are the most commonly used, especially telephone line hoses are the most widely used because they do not take up space and are highly stretchable.
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