Product Name: House Security System Camera Video Wireless Doorbell with Camera 530 S Model NO.: SF 530 S Transport Package: Standard Carton Packing Specification: size: 260x160x60mm Origin: China HS Code: 8531809000 Product Description Model SF530 sscreen measures 2.8 inchesToutdo uniortzinc alloyScreen description hd display640*480Operation mode local keysMobile phone video intercom NOEffective pixel 2 megapixelVisual Angle 120°Infrared night vision NOStorage performance TF card storage: Photo/video shooting: Output format photo format: Application range security door, security door, wooden doorhole diameter 14-25 mmSuitable for door thickness 40-100mmPower supply type: batteries (4*AAA)endurance 3 monthsOperating temperature -- 20ºC/60ºCProduct color "outside machine: silver (metal)Door machine: champagne/pearl white"Product size "outdoor size: 32 mm in diameterIndoor size: 91x118x20 mm"Product weight machine (including accessories, packaging material)231/ gOther featuresstealth cameras