The camera depends on what effect you want, and of course the price is different.

There is no difference between line 420 and line 480. You can buy 520 lines if you want, but the price is several times worse than that of 420 lines. Sony chip of line 420 has infrared 300 bar, and Sharp chip has 230 bar.

Line 520 is only about Sony chip 1200, but a good camera should also be equipped with a good graphics card. If you buy a 520-line camera and the video card buys a 300-line camera, you won't be able to play the role of a camera. Graphics soft-pressed 7 130 chip, hard-pressed 280 chip, 1000 chip.

Install the required materials, camera bracket, power supply, video cable, power cable, BNC video head and graphics card.