Product Name: House Security System Camera Video Wireless Doorbell with Camera Model NO.: DD2 Transport Package: Standard Carton Packing Specification: Size: 61.5x61.5x13.5 mm Indoor size: 146x97x20mm Origin: China HS Code: 8531809000 Product Description The screen measures 4.3 inchesExterior machine base material zinc alloy/shell ABS plasticScreen description hd display 480*272Operation mode local keyMobile phone video intercom noEffective pixel 1 million pixelsVisual Angle 170° diagonally (120 horizontal)Infrared night vision yesStorage performance TF card storage: maximum support 32GBPhoto/video mode motion detection/automatic recording/photoOutput format "photo format: Jpeg Video format: MP4"Application range security doors, wooden doorsHole diameter 14-46 mmSuitable for door thickness 36-110 mmPower supply type built-in lithium battery /2400 mahEndurance 3 ~ 4 weeksOperating temperature - 20ºC/60ºCProduct color: gold/silver (metal)Door machine: gold/silver"Size: 61.5x61.5x13.5 mmIndoor size: 146x97x20mm"Product weight (including accessories, packaging material) 491 / gOther features include motion detection and night vision