description: Speak to the person at your door, everywhere in and around your house Hear and answer the doorbell anytime and anywhere, including in the garden, hobby room, bathroom and garage Available with 1 or 4 doorbells and easy to expand... - Update: 2011-08-04

831(indoor monitor) 8.9cm (3.5-inch) digital LCD color video phone 50% brighter using LED backlight Slim design Slim interior oriented design and thin depth of 31mm is realized by digital architecture Handset voice talk, intercom, inspecti... - Update: 2011-08-04

NAB 2-16Users (Outdoor Station): Outdoor door unit expander with Color CCD camera Capacity: for 2-8 multi-apartments available Door bell, audio/video communication Aluminum case Flush mounting installation method Watching door entrance, r... - Update: 2011-08-02

SIPO 006-833A 006 (Outdoor Station): B/W & Color 1/3 inch CCD Camera with night vision Outdoor station, door bell, video intercom, audio/video communication Watching door entrance, remote lock release Optional for extended monitors and hand... - Update: 2011-08-02

008 (Outdoor Station): B/W and Color 1/3-inch CCD Camera with night vision Outdoor station, door bell, video intercom, audio/video communication Watching door entrance, remote lock release Optional for extended monitors and handset Works wi... - Update: 2011-08-02

description: 1.Using 2.4G ISM digital public frequency 2402 to 2483.5MHz? 2.Transfer speed up to 2Mbit/s, which save more transfer time. 3.16 bits audio sampling accreting rate, 8k sampling rate. DAC video output interface?16 bits output ra... - Update: 2011-08-01