hello everyone,

This is Leigh from Shenzhen, China. I am now doing a survey. It's very simple. Could you do me a favor to fill the following information?
Your name:
Country:
Functions you care about:
CCD or CMOS, the size and the brand you like
Lens: 6mm, 8mm or other
resolution: 420 TV lines, 480 TV lines or other
IR or not: LEDs
IP grade:
Other factors:

the more specific, the better.

Thanks!