Feature 13.5inch LCD color screen. 2OV Industrial High Definition Color Image Sensor. 3120 degree actual viewing angle. 4Security Peephole brings more reliable protection to your home and improve your life quality. 5Ultra-thin body, stylish and beautiful.SpecificationFeatures: 3.5-inch LCD color screen. OV Industrial High Definition Color Image Sensor. 120 degree actual viewing angle. Security Peephole brings more reliable protection to your home and improve your life quality. Ultra-thin body, stylish and beautiful. Easy to learn to install in 3 minutes, no need to install workers, no special tools, saving time and effort and saving money. Specification: Type:SecurityDigital doorbell Peephole Material: Zinc Alloy Type: Digital Doorbell LCD screen: 3.5 inch Sensor: 2 Mega CMOS Sensor Real view angle: 120 degree Function: Energy saving, Low Power Alert Power supply: 4pcs AAA batteries (not included) Door Hole Range: 14-28mm Door Thickness Range: 35-100mm Keyword: digital door viewer Power source: 4pcs AAA batteries door hole diameter: 14-28 mm Door Thickness: 35-100 mm Indoor device size: 120x62x20 mm Diameter (camera outdoors): 30 mm Net weight: 197g Package List: 1 x Outdoor Unit 1 x Indoor Unit1 x Bag of Screw 1 x Metal Bracket Note: Please allow 1-3 CM differs due to manual measurement. This product doesn't support night vision. Thanks for your understanding. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.When the camera is connected indoors, it must be connected from the cable slot. Otherwise, it will be displayed that the camera is improperly connected.