... free field up to 300 meters;5, 1GB memory card, 12 ringing tones for option;6, Support up to ... 2 outdoor cameras and 4 indoor monitors;7, Strong anti-jamming performances make with clear intercom;8, 1GB memory card, ... camera, Indoor monitor, 2 Power adapters, Lithium battery, USB line for indoor monitor, Memory card, English user manual; Guarantee card, Inspect certificateCertificateComplies 2006 ...