CCTV
CCTV (Closes Circuit Television) is one of the popular security gadgets. These days, every small general store has CCTVs installed inside & outside to capture pickpockets & shop-lifters; also you can see them in many houses. CCTVs are the best to keep an eye on everything happening within the range. It becomes trouble-free to inspect any crime that by now occurred and identification of the person who has been involved in the offense by watching the video recording.
CCTV cameras can be categorized according to their shape, mode of connectivity & transmission, and video quality. To make you understand which CCTV camera is suitable for your need, below we have explained the different kinds of CCTVs available in the market.
According to Shape:
Dome CCTV These CCTV cameras are named for their round dome-like encasing. Dome cameras are capable of capturing a larger area of surveillance. Domes are less detectable to trespassers but it’s more difficult to install them.
Bullet CCTV As the name defined these cameras have outward projection like a gun’s barrel and are ideal for long-distance viewing. These cameras are easier to install and you can move the focus to whatever area you want, even after installing.
Connectivity option:
Wired security camera as you can understand by the name, these cameras require a wired connection for both power & transmission of footage. This option considers most reliable for the permanent locations and coverage of the large area. On the other hand, due to the lot wiring, the installation is very much difficult.
Wireless security camera here recorded footage is transmitted wirelessly from the camera to the recorder using Wi-Fi networks. The fixing of wireless security cameras is very easy and has good portability.
Video Quality Option:
HD CCTV These cameras are capable of capturing footage in HD (up to 1080p resolution). You get a clear & high-quality video for easy identifications of movements & faces.
SD CCTV These cameras are capable of capturing standard definition which presents low-quality footage, so would not easily recognize the faces & movement.
Mode of Video Transmission:
Analo the captured images or recording is sent to the Digital Video Recorder through a coaxial cable. The Digital Video Recorder alters these signals from analog to digital and compresses them before storing.
Digital These cameras record the images & footage digitally and directly transmit them to the Network Video Recorder, stores the recording in the hard drive.
Storage Option:
Hard Disk the captured video footage is stored in the DVR/NVR which has hard drives with storing capacity of terabytes. So, it’s the best way to keep the video footage of a 24/7 recording security camera system.
SD Card many security cameras available with SD card storage where main video footage captured is when there are any motions detected.
Cloud Storage on the other hand, many security cameras are also available with cloud storage features where you can keep all your recordings on the cloud storage and access them wherever you want.