JLF building intercom Carrefour, Carrefour visual extension HKCM350-22, the northern supply center - Liu Xuan-ming 1391,1379,647 HKCM350-22 Technical parameters: LCD Size: 7 "TFT Resolution: 800 × 480 Minimum illumination: 0.2Lux ambient temperature : -40 ~ +55 ° C Power supply: DC18V Maximum power consumption: 3W Dimensions: 245 × 150 × 25 (mm) Installation: embedded wall features: touch buttons, 7-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 door host, wall unit, manage machines, video intercom with video intercom, remote, unlock, networking, polyphonic doorbell, door monitoring unit features 16 classic console, etc. Hyun sound and picture-opted on the plug wire interface, user-friendly demolition using advanced micro-processor, high integration, the system is stable, more reliable installation and maintenance simple, easy debugging, automatic software update feature