JLF building intercom Carrefour, Carrefour visual extension HKCM350-62, the northern supply center - Liu Xuan-ming 1391,1379,647 HKCM350-62 Technical parameters: LCD Size: 4.3 "TFT Resolution: 800 × 480 Minimum illumination: 0.2Lux Camera: CCD color camera Ambient temperature: -40 ~ +55 ° C Power supply: DC18V Maximum power consumption: 3W Dimension: 190 * 130 * 24 (mm) Installation: Wall mounting features: a video intercom, remote control, unlocking , networking, polyphonic doorbell, surveillance, monitoring and other functions of single-family 4/4.3 inch TFT color LCD display, interface friendly, easy to operate each of the other users of the indoor unit of the same model two-way call with the door host, wall unit, manage machines, video intercom with monitor door machine, wall unit and unlock features 16 classic and Hyun tone opted plug wire interface, user-friendly demolition using advanced micro-processor, high integration, the system is stable, more reliable installation and maintenance simple, convenient debugging , software upgrades