Power Source ( AC 110V -240V ) Assurance_temperature -40~+ 50oC Camera 1/3 inch CCD color or B/W optional Lens F=2 Viewing angle=92.8° Min Illumination 0.1Lux Resolution>450 lines Monitor CM-02NLRG or CM-02NLRH monitor (color or B/W optional) Max_Wiring Distance 200 meters from door station to indoor phone Dimension door station(310 *140 *54mm), monitor(495 * 440 * 355 mm) Weight about 1.2kgs(door station), 1.5kgs(monitor) TV System PAL or NTSC Ring Bell Ding Dong ring. Wiring RVV6*0.75 plus One 75-5 coaxial video wire Call Function single-way conversation from door station to indoor phone Extension up to 36 pcs of monitors Door Release function You can open the lock via pressing LED Can easily identify visitor even at night. Specification ? High capacity: 40 households, audio handset is compatible, and modularization structure is adopted. One host + one accessory host drive at 10 modules, one module drives 4 indoor phones.? The module can be used in different layers with functions of video switch, amplify, distribution and indicator.? The door station connects to module through net switcher in method of 6 wires + 1 (video wire); the module connects to video monitor in method of 4 wires + 1 (video wire); connects to audio handset in method of non-polar twin cables;? An ancillary system is necessary if one floor with 3 or 4 apartments; Accessory door station panel provides 2*10 and 2*12 families for your selection. (Note: main door station panel 2*6 matches accessory door station 2*10, main door station panel 2*8 matches accessory door station 2*12) ? Burst mode bell; 120s confidential conversation;? Auto-illuminated keyboard at night. The video monitors are endued function of voluntary monitoring;? Net switchers and conformity unity are necessary when the system is connecting to LAN. The net switcher is used to switch signal among the door station, monitor or handset, and management unit. The conformity unit is used to switch signal among net switcher, management unit and wall phones.? Power supplier: DC18V/1.5A? The system is compatible with systems CM-03NL, CM-06L, WL-03Nl, and WL-02NL;? System components: door station: CM-02NL Accessory door station: WL-02NLK module: CM-03NLCH video monitor: CM-02NLRG/ CM-02NLRH/ CM-02NLRM audio handset: WL-02NLFD/WL-02NLFH net switcher: CM-03NQH-1/ CM-03NQH-2/ CM-03NQH-4 conformity unit: CM-03NZH management unit: CM-03NMC wall phone: CM-03NW power supplier: PS-5A, PS-9