1)Make order for Security Camera: 
   1. please provide Scanning System PAL or NTSC, you need.
   2. What lens you need, 2.8mm or 3.7mm or 6mm or 8mm or other. we have the Default lens for the camera.

2)Make order for DVR&NVR&HVR&DVR Kit &NVR Kit:
   1. Please note what language software for the product needed, we Default language is English.
   2. Please note what power supplier plug needed, we provide European regulation, US regulation, British regulation and others.