intercom system with 4 inch Black/white CRT video

Intercom - 4 inch Black/white CRT video phone,alarming function,monitor the oursite 1) 4" flat B/W CRT display, with high resolution and high contrast ratio 2) The outdoor station adopts CCD camera to gain clear image 3) With night vision 4) Talk with the visitor 5) Unlock the electronic controlled door lock 6) Monitor the situation out of the door B/W VIDEO DOOR PHONE 4" B/W CRT with high resolution and high contrast ratio CCD or CMOS outdoor station to gain clear image The out door station with night vision Talk with visitor Unlock the electric -controlled door lock Monitor the station out of the door Dimension:53.7*42.9*27.6CM 9PCS/CTN 2790PCS/20FT 564PCS/40FT 6570PCS/40FT HQ SIZE: 78*105*28mm 256*261*138mm SPECIFICATIONMODEL CR450B DISPLAY (inch)4flat CRTSYSTEMPAL/NTSC (OPTIONAL)CAMERE PIXELS1O0THOUSAND PELSPicture elementHorizontal 350 lines, Vertical 380lines.Maximum Wire Length From Camera30m using 0.65mm Cable.DIMESION(mm)Indoor unit: 25.6x26.1x13.8cm.NET WEIGHT(kg)2.3kgPOWER SUPPLYDC 13.5V ±0.5V 1200MAWORKING TEMPERATURE()0 to 50POWER CONSUMPTION(W)Maximum 11 w,standby 0.5 wMENU LANGUAGESENGLISHEXT. TERMINALAUDIO/VIDEO/POWER/EARPHONE/EXTERNAL ATTENNA CAMERA TYPE5116 B/W CMOSDIMESION(mm)outdoor unti: 7.8x10.5x2.8cmPOWER SUPPLYDC12V 0.5APOWER CONSUMPTION(W)Maximum 2.5WWORKING TEMPERATURE()-10+50CMOS380 Lines resolutionSYSTEMPAL/NTSC (OPTIONAL)NIGHT VISIBILITY6 IR LED 2M ALWAYS ONFOCUS(mm)PAL 6mm / NTSC 3.6mmVIEWING ANGLE(°)PAL 52° / NTSC 92° ACCESSORIESCAMERA/INSTRUCTION MANUAL/HUNG PLATE/CONNECTION CABLE /ADAPTOR.PACKAGE (PCS/CTN)6PCS/CTNMEAS(cm)Gift box: 29.5x20.1x18cm CTN box: 41.5x31x38cmG.W.(KG) 2.4kg 14.6kg N.W.(KG) 2.3kg 13.8kg 20'FT2790PCS 40FT5640PCS