doorbell

wired video doorphone Advantages： no have interference,very clear and steady voice ,one camera can connect more monitors,also more cameras can connect one monitors.Handfree design,convenient to communicate , super-thin cover ,high quality,Low-power ,long life,good looking surface Discription *easy to installation *Suitable for Small apartment building ,villa area,everywhere need video doorphone *3.5" high resolution color TFT color display screen,480*240piexels,give you nice and clear image *Low consumption:standby=0mA,working less than 230mA *Long useful life:5 times than black&white kinescope *Mul-funtions:extension with the codeing function,call and video,talk with management machine,unlock the electronic lock *Monitor the situation out of the door *3pcs music for option In all,it is a Good security products of modern family