GSM alarm Self Defense Products Detailed Product Description Main function H.264 Compression algorithms,Color f=6mm CCD lens,viewing distance 15 meters,With PTZ,Pan 0 to 360 degree;Tilt: 0 to 90 degree rotationVideo output HTTP/DDNS/SMTP/FTP1,support network two-talk,more powerfull if work with with SSG CMS.2,Powerful surverllance function ..