Did you know that the first of the burglar alarms were designed in America in 1922? A burglar alarm is a device that can be fitted on your doors and windows. It usually has a code and identity card with it. You can set the code each time you leave your house or shop alone. This device senses infrared radiations and the alarm rings whenever a door or a window is opened. video türsprechanlage sensors of the alarm are connected to a control panel via high voltage hardwires or narrow band RF signals. The control panel is further connected to a siren and a dialler that calls up the owner or emergency call centres. Meanwhile, you can re-enter the house or shop with the help of your ID card and deactivate the alarm once you are inside to avoid unnecessary ringing of the alarm.
Video phones on the other hand help you to know who is standing at your doorstep. They have a camera installed at your entry door and an intercom speaker. This entire circuit is connected to phone instrument inside the house. This phone has a video display monitor on which you can see who is standing at your doorstep so that you don’t land opening your door to strangers. The intercom speaker at the door is useful to know the purpose of visit in case of strangers
Little wonders of technology
Today video phones and burglar alarms come in wide varieties and in different price ranges. Today technology has made home security easier and safer. There are hands free video phones available in the markets that have LCD screens. You can carry these gadgets just like your mobile phones, anywhere and everywhere. Most video phones have a button to unlock your door from the phone itself, and save you the trouble of going all the way to your door while you are busy doing something else or if a bell rings in the middle of the night. Burglar alarms are also available in various sizes and various control systems. You can find wireless alarms at stores and the latest improvement are alarms with GSM and SMS systems. These alarms can store and dial up to 5 phone numbers when somebody breaks into your house or shop.
Your safety is in your hands
Remember the fable about the wolf and the seven lambs in which the lambs are alone at home while their mother is out and they open the door to the wolf even though their mother had instructed them not to open the door to strangers. You can never trust children to not open the door to strangers; this is why such devices are best to keep an eye at your home while you are away from home. Hence with hands free and wireless
A video door phone offers you peace of mind with increased security for the home or office. Knowing who it is on the other side of a door before you open it; is a smart way to protect a person from unwelcome guest.
It is a personal choice when shopping for a video door phone. What are your needs and life style? I personally like the ones that will allow me, when necessary, to take a picture of who is at the door. If I do not know them then I want a picture for future reference if needed.
I also travel so I like to be able to easily take the wireless video door phone with me to hotels and motels. Being able to see the person at my door, being able to talk to them and if needed take a picture of them before I open my hotel door is a God send.
If your door is exposed to the weather then purchase one with the waterproof function. This function is not necessary in apartment buildings, hotel rooms office buildings or homes where to door is secured from rain. If you have the option, get the waterproof function just in case you want to relocate your device at some point in time.
Night vision is a must. Look for a unit that has clear night vision even with no light. You will be so glad you have this feature. At night is when I depend on the video door phone the most and need extra surveillance. The technical term to look for is infrared lights.
The units that offer the lock/unlock feature is a must for the elderly, busy mothers, secretaries and the list goes on. This feature gives you freedom to allow someone access to your space without having to get up and go to the door. In busy work environments it saves the employees countless trips. The elderly and handicap users praise this feature highly.
It is not a big secret when I tell you that crime is up all over our nation. It is estimated that property crime occurs about every 3 seconds. Safeguarding your home or office with a video door phone lowers the risk of allowing a potential burglar in your home. They may use their first visit to your home just to survey what you have and the lay out of your house. They come back later to steal your prized possessions. When they see homes or offices with surveillance systems in place they tend to go elsewhere to comment their dastardly deeds. A video door phone will enhance your home security system. Having the ability to supervise any situation at your front door gives you the power of keeping unwanted people out and time to call the authorities if needed. It is better to be safe than sorry.
The big question is, who needs a video door phone? The answer is everyone. Everyone that is pro-active in protecting their family, loved ones, business associates and themselves from potential property loss, physical injury and emotional trauma will benefit
We live in very unpredictable times as we are extremely vulnerable to safety and security issues. There is no alternative to taking precautionary measures in this matter, and people who leave it for later often fall victim to the malicious sections of the society. Therefore, it is of paramount importance that we take up the personal security in our own hands, and secure our home and family. Fortunately, the rapid advancements in technology have provided us with electronic gadgets that can help us live a secure life. Gadgets like video door phone intercom systems are a welcome replacement for the traditional doorbell system as it helps us keep undesired people from having access to our homes.
Most corporate organizations have a system installed wherein guests are scanned by a video camera located outside their gates, and the guest has to introduce himself and state the purpose of the visit through the intercom. Once the requirements are validated, and the security personnel are convinced about the authenticity of the person, the gates are unlocked for the guest’s entry. This might seem to be an elaborate and expensive security system, but as a matter of fact, these video door phone intercom systems are available for household purposes as well.
The installation of these systems is extremely simple and can be carried out without professional help. The system consists of an outdoor device, which is typically a camera connected to the rest of the system. Additionally, the device would contain one or multiple indoor devices, which display the video feeds from the outdoor camera. This way, if someone rings your doorbell, you get a live feed of the person standing outside your door. Moreover, the intercom system allows you to communicate with the person before you decide to let the guest in. Other accessories in the video intercom system include adapters, cables and manuals that are required for operating the device.
The outdoor device is generally designed specifically to work in different situations. They are normally resistant to heat, rain and other typical weather conditions. Additionally, these video cameras are equipped with night vision, so as to provide visibility even at night. These cameras provide multiple video angles, which is useful to get a complete view of the situation outside. The indoor kit is generally a TFT device, with features to talk on speaker mode, unlock door remotely and monitor even when the doorbell was not pressed.