Generally an audio doorphone coupled with a burglar alarm system with magnetic contacts at all openings and panic switches at strategic locations, is the basic requirement for homes. Video doorphones are more popular. Builders generally provide them as a part of amenities in the society. There are also systems with smart card and biometrics based door access.

1. Cameras: A wide variety of cameras are available for home security. Your home can have a single camera at the front door or many cameras placed throughout the house. The multiple cameras can be attached to motion detectors and activated only when there is movement in a certain area. These can also be attached to VCRs or computers for additional monitoring and recording. If attached to a computer, you can check a status of the home from anywhere over the internet connection.

If the camera will be used outdoors it should have a casing that is durable enough to withstand the weather. If you fear vandalism an extra durable casing is needed. A CCTV will let you view the entrance and other strategic areas around your home.

2. Electronic/electromagnetic locks: Window and door lock system can be added onto your home’s existing locks, creating a double lock at each point of entry.

3. Panic switches: There are nothing but simple buttons with hooters attached to create an alarming sound of high pitch.

4. PIR lights: These lights activate automatically when there is an activity in the area of focus.

Intrusion alarm system. Alarms can be either silent or very loud. A loud alarm will either frighten the intruder away or alert the neighbours that someone is trying to invade your house. Alarms fitted into the door sound right at the point of entry. Others can be connected to a central control pad, which sounds if any point of entry is breached.

Generally an intrusion alarm systems has different sensors, magnetic contacts, hooters etc,.. linked to a control panel. An auto dialer with prerecorded message can also be integrated, which will automatically dial the fed numbers and leave emergency message. With this feature, if someone intrudes your home the security systems will call the police directly to inform them.

While selecting a warning alarm system, ensure that,
1. It doesn’t produce false alarm.
2. It has enough battery backup to meet unpredictable power conditions.
3. It is user friendly with minimal and easy controls.
4. If sensors like PIR are used, it must be EMI/RFI protected.
5. Magnetic sensors are easy to align.
6. The sound output is above 105dB at 1 metre.

1. Cameras: A wide variety of cameras are available for home security. Your home can have a single camera at the front door or many cameras placed throughout the house. The multiple cameras can be attached to motion detectors and activated only when there is movement in a certain area. These can also be attached to VCRs or computers for additional monitoring and recording. If attached to a computer, you can check a status of the home from anywhere over the internet connection.

If the camera will be used outdoors it should have a casing that is durable enough to withstand the weather. If you fear vandalism an extra durable casing is needed. A CCTV will let you view the entrance and other strategic areas around your home.

2. Electronic/electromagnetic locks: Window and door lock system can be added onto your home’s existing locks, creating a double lock at each point of entry.

3. Panic switches: There are nothing but simple buttons with hooters attached to create an alarming sound of high pitch.

4. PIR lights: These lights activate automatically when there is an activity in the area of focus.