video door phone PY-V2203
The main advantage of extraordinary simplicity of non-polarity two-wire technology is the significant time saving during installation, and reduction of the possibility of errors during the cabling and installation stages. Effective pixels: 320x240x3Brightness scale rate: >8Melody Chime for Option: 9 melody ringsWiring: Two-Wire non-polarityBasic Function: Monitor + Unlock+ Alarm + TalkPower Source: AC100-240/50-60HZ Camera pickup device: 1/4" CCD or 1/3" CMOSView Angle: 60°Monitor dimension:180x130x50mmCamera Dimension: 115x190x45mmMinimum Illumination: 0.5LuxSurface Mounting
Video Door Phone ,5.6-Inch Color Hand-Free nonpolarity Two-wire PY-V2203