digital peephole door viewer Saful TS-YP3511 3.5 inch

1.3.5 inch TFT LCD Screen2.Peephole barrel (diameter) :14-22mm3.Fits any door : 35-72 or 60-90mm ( thickness ),pls confirm the door thickness with dealer before purchase4.Sensor : 1.3M pixels camera with zoom in and zoom out function5.Screen will automaticly be in sleep model after 10seconds Once press monitor button6.Monitor outside anytime when press monitor button7.Used TF card as external memory,easily save pictures and videos to family computer8.When visitor press Door bell button,machine automaticly turn on and take photo9.Press UP/DOWN key to view photoes any time.Or selec preview mode in menu10.3 pcs AA battery ,support to view outside for more than 1200 times            
 http://www.doorbellalarm.com/