How to install the peephole on the door

Question 1: Is it easy to install the peephole on the door? How to buy cat eyes? Very simple, buy according to your needs

Question 2: How to install the door peephole after disassembling it. Installation method:

1. Place the side with the glass lens on the door Outside

2. Place the remaining half inside the door

3. Then slowly tighten the screw with your hands

4. Finally lock it .

Cat's eye, also known as door mirror, is a small optical instrument installed on residential doors to facilitate residents to observe outdoor conditions. It has become a necessity for home security. It is composed of a concave lens (objective lens) and a convex lens. The focal length of the objective lens is extremely short, making people or objects outdoors form an upright and reduced virtual image. This image falls just within the focus of the eyepiece, and finally an enlarged upright virtual image is obtained. This image is just around the clear vision distance of the human eye. , you can clearly see the situation outside the door.

Question 3: How to install the peephole on the security door? There are two symmetrical small openings on the cat's eye on the inside of the door. Just point something at the two openings and unscrew them. Very convenient.

Question 4: How to install a cat eye on a security door? 1. First buy the cat's eye you like, then measure the inner diameter of the cat's eye, and then buy a hole opener. Be careful to hold the electric drill tightly when opening the hole, so as not to scratch the anti-theft door paint.

2. In fact, there is no need to install it yourself. Just buy the cat eye and find a security door repairman to install it. A hole opener also costs a lot of money. If you buy it yourself, you will need to use an electric drill. , these tools are not used by ordinary families, it is more cost-effective to find a security door repairer. When you make the hole yourself, measure the position of the front and rear panels, otherwise it will not work if the front and rear holes are not compared.

Question 5: How to install the cat eye on the door? Remove the back of the cat eye and pass it through from the front, then install the rear half.

Question 6: How to install it on the door Cat's Eye: An ordinary cat's eye costs ten yuan and a drill bit costs ten yuan. It costs 80 yuan to have the property installed in the community (with doorbell)

Question 7: How are the cat-eye lenses on the door arranged? They are used to see things outside clearly. There are two types. One is a completely convex lens, the other is a convex lens and a concave lens. Arrange according to different focal lengths.

Question 8: There is no cat eye on the door. What should I do if I want to install a cat eye? Yes, it only costs 10 yuan to install. My house has just installed it. Go to the hardware store to buy a set of cat eyes, and then hire a master to do it. If you go to your home to install it manually, the installation fee is 5 yuan, and the cat's eye is only 5 yuan, and it is 10 yuan per session. I wish you success! Hope my answer is helpful to you!

Question 9: How to fix the peephole on the security door? Suggestions for you

1. Install a "cat's eye anti-theft device", which is available on the market, and the general price is more than 100 yuan. This anti-theft device is equivalent to a thick steel plate that is fixed and cannot be penetrated by crime tools. If the owner wants to observe the situation at the door, he presses a button and the window of the anti-theft device pops open, revealing a cat's eye.

2. Use a key to lock the anti-theft door and replace it with a Class B lock, most of which cost less than 200 yuan. Some citizens have anti-theft doors with a "quick lift lock" function in their homes, which are locked when they are lifted up. In fact, it can be easily opened by inserting a tool into the peephole. When you go to work or go home to sleep, it is safer to lock the door with the key.

Remind everyone that the most important thing to prevent theft is to improve safety awareness

I hope this can help you

Question 10: The frame on the cat eye of Buyang security door What is the name of the one that needs to be installed? This one is outdated. . . . This should be called a video doorbell. . . If you go to buy it, tell them this. . . The doorbell above the cat's eye can be opened by sliding to the side. . . . . You should know