... Pixel,4X digital zoom,105degree -3pcs AAA batteries Wireless video door bell 1.Wireless ,easy installation 2.Clear image in LCD ... Panel on door 3. Indoor and outdoor intercom; 4 viewer door bell Description:* Replace conventional door peephole viewers, easy installation ... , indoor and outdoor intercom;* Clear image in LCD Panel on door, easy to see for people of any height;* Simply push ...