B/W outdoor phone is popular in market. 1.External ... phone, digital indoor phone, color indoor phone for apartment, B/W handfree indoor phone, video door phone (indoor phone), indoor ... small high-rise and multi-rise building, etc. 2.CCD can be adjusted up and down, IR or bright LED ... 4.Convenient night use with keyboard lamp5.Video outdoor phone CCD, with automatic IR for night view.6.Unlocking with ...