Probably the best new cameras system for 2012.
This digital camera system will not interfere with your wireless router. Because the signal is digital it is also secure.
It is easy to install and has a great color picture. The range is excellant and the software is easy to install and has probably more features than you need. It even has internet access. For internet access you will need to port forward your router.
A very impressive camera system for homes that have wireless routers but still require a wireless camera.

The indoor cameras be installed anywhere throughout the home or business within range of the receiver. Power them up with the A/C adapter.

How it Works:

Here's how it works.

The small receiver is plugged into your computer via USB. Install the software on your computer.
Set the parameters when to record or at what level of motion detection. The computer will record during these activities. The time/date stamped video can be viewed later or you can see live video.
The video can also be viewed over the internet by another computer. Depending on the size of your hard drive, you could record for months!

See the interface of this digital wireless security system:

Recording at the same time:

System Specification:

From the Manufacturer:
If you are looking for digital wireless kits with 4 channels, and watching your home from Office, Our digital wireless kits is your best choice. This digital wireless security system kit compatible with 4 cameras , supports multi-displaying in one screen, so you could watch 4 rooms at one time, What amazing, you are able to view the pictures of your home from your office, this kits supports network. You are able to get emails if there is any movement is the surveillance area by setting in our software!

Network /Watching from Office:
This digital wireless security system kit was built in IP server, it is very easily for you to watch your home from office. It supports motion detection, email alarm, intelligent search, A super mini USB receiver makes you keep an eye on your home even you were in other country.

This Digital Kit Up to 4 Cameras and Multi-Display:
This digital kit up to 4 cameras and all 4 pictures could be viewed on one screen. Also, Full creen for each channel is supported.

Digital Wireless Kit With No Interference:
This kits kit was taken an new digtal technical to protect users privacy, 4CH was fixed one by one when we produced in our factory. Even you neighbors has same kits, you can use your own kits safely since we fixed the camera code of your kits to your receiver.

Receiver:

Valid pixel: 480(W)*240(H) Receiving Signal: Video&Audio Receiving Frequency: 2.400GHZ-2.483GHz Sensitivity: ≤-85dBm Modulation Model: GFSK Power supply: Supplied by computer USB Power Consumption: ≤1W Working Temperature: -10~+50°C Operation System: Windows XP/ vista-32bits/ Win7-32bits Size: 88*35*15mm Weight: 35.2g( including antenna)

Camera:

Image Device: CMOS Valid pixel: 628(H) x 582(V) 510(H) x 492(V) Scan Frequency: PAL/CCIR: 50Hz NTSC/EIA: 60Hz Minimum Illumination: 3Lux/F1.2 Transmission Power: 17dBm Transmission Frequency: 2.400GHz~2.483GHz Transmission Signal: Video&Audio Transmission Distance: 200M( in open area) Power Supply: DC5V/800mA Power Consumption: ≤1W Working Temperature: -20~+60°C Size: 92*50*25mm Weight: 61.8g( including antenna)

Computer Operation System Compatible : 

Windows XP; Windows Vista; Windows 7(32bit &64 bit)

Common Question Analysis :

1）Question: why doesn't it have the image after starting the receiver and camera?
Answer: Before this product leaving the factory, it was already one-to-one set up the good frequency, under the normal condition when you turn on the receiver and camera's power source, it can receive the image, if it cannot receive, you may carry on the frequency again to the code establishment,simultaneously holding down the receiver and the camera “POWER” for 5 seconds,until the image showing on the receiver screen;

2）Question: why can't the receiver catch the image in a certain distance away?
Answer:If it's too far away from the camera and the receiver, or it's the obstacle which is separated are many, usually using in 200 meters within scope; the distance in the room is different from the concrete environment.

3）Question: Why is connected the power source adapter to use suddenly static or the receiver power supply indicating lamp extinguishes?
Answer: The image static has the possibility is the computer halts or the movement is too slow, the receiver is black screen and the power light extinguishment possibly is the receiver USB connection has not inserted, must restart the dynamic electricity brain or the USB connected to receiver.