JLF building intercom Carrefour, Carrefour visual host JLFC350-20, the northern supply center - Liu Xuan-ming 1391,1379,647 technical parameters: LCD Size: 4 "LCD Resolution: 320 × 240 Minimum illumination: 0.2Lux (with luminous compensation) Camera: 1/4 inch high resolution color CCD has BLC Ambient temperature: -40 ℃ ~ +55 ℃ Power supply: DC18V Maximum power consumption: 6W Installation size: 300mm × 110mm × 35mm Installation: in-wall / door function embedded Features: Touch keypad, waterproof, cold, anti-shock, feel good good contact, never card key, life of up to one million times Built-in high-definition video camera, the use of supplemental lighting technology, day and night can intake clear. Image LCD digital screen, the interface friendly, feature-rich, easy to operate call extension, transfer images households, both sides intercom call cell center management machine, send images, the two sides talk can send text, voice, cell broadcast, advertising information dissemination, weather information release can be accessed by IC / ID access control system, card door, with password lock function using advanced micro-processor, high integration, the system is stable, more reliable acceptable indoor extension, easy to manage machine monitoring system setup functions can be networked , supports multi-entrance into the host, extensions, wall unit, management machine, any two-party call can be realized short-circuit isolation protection, extension occurs within the system failure will not affect the normal operation of the system with a separate password lock function, a household can be arbitrary changes.