Security cameras

Digital / IP Security cameras

A digital network video surveillance system offers you a number of improvements over traditional Close Circuit Television (CCTV) video systems, like superior image quality and a large variety of built-in superior features such as scheduling, motion detection, multiple streams and more.

The major disadvantage and possibly deciding factor is cost. We will try and weigh the Advantages here over the traditional Analogue cameras.

Advantages

• High resolution and pixel perfect image quality
• Adjustable picture quality
• No electrical noise problems (electric spike and electronic interference) 
• Adjustable quality with multiple streams for PC or real-time mobile viewing (through the Internet)
• Record footage to a PC, DVR or on to an onboard memory card
• Rich features such as
• scheduling
• controlling the Infra-red night vision
• motion detection
• multiple streams for PC and mobile viewing and digital recording
• Wireless IP cameras gives you the freedom to install the camera anywhere without complex wiring.

Disadvantages

• More expensive than analogue cameras
• A network is required for wired cameras (hub, routers or ADSL modem with various ports).
• The optional Power over Ethernet feature reduces the number of cables to the camera, but requires a POE hub or POE injector.

Analogue cameras

Advantages

• A wide variety of replacements are available
• Cheaper than network cameras
• Good infra-red night vision from most analogue cameras
• DVR Bundles are great value for money
• The image can be viewed on a PC or mobile device using a DVR device
• A network is not required and a television set or computer monitor connects directly to the DVR device

Disadvantages

• Lower resolution images compared to Megapixel IP cameras may lack definition
• High resolution cameras are still lower resolution than network cameras
• Requires a separate DVR to convert video to digital format for digital storage and for Internet viewing

• All washers (rubber, metal and plastic) needs to be installed in the correct positions
  
• All sealing rings needs to be in their correct places
• All screws and clips needs to be in place and tightened correctly
• If a seal or ring is compromised, you may replace the seal or ring, and you can use a quality silicon sealer, or preferably a hybrid polymer sealer if the rubber seal is not replaceable