Dear Customer,

Today we are glad to share with you how to choose and test SECURITY CAMERAS.

The following steps you test , the good quality cctv-camera can be available.

1. High- temperature Test: Put the camera in 40Ąć enviroment, and then the camera do not shape.

2. Low -temperature Test: Put in -10 Ąć, and it can work

3. High-Voltage: if the camera use the DC 12V adapter, and the 9-15V (high 30%) for camera test, and it will not damage.

4. Transient Current test

5. Color horizontal resolution

6.TV lines ( Sony/Sharp 480 + or 560 TV LINE will be good)

7.IR LED: IR current, IR distance and IR led life (more than 20000 hours)

All above test can be passed , congratulation! you get a nice CCTV/security Camera
 

                                                                                                                                                            Art Huang     2011-11-01