Google Nest Hello Smart WiFi Video Doorbell Camera Concrete Fasteners 5 Maximum Blade Length 121 1 2 A Modern Statement with 5 Maximum Blade Length 121 1 2 Dust Port Size (In Mounting Brackets Versatile smartphone compatibility Supports select Apple iOS and Android devices Wi Fi connectivity Use your home network to easily sync your doorbell to your smartphone or tablet Manage your doorbell with the Nest mobile app Receive alerts accept the live video feed and speak with your visitor all from your smartphone 24 7 streaming Check in anytime and view a 3 hour snapshot history to see what you missed HD talk and listen Hear visitors loud and clear with noise and echo cancellation Person motion and sound alerts Detect when someone may be waiting at your door even before they ring the doorbell Night vision Features 850 nm infrared LEDs Mounting kit included Requires a wired doorbell and chime Quick response Respond to visitors with convenient pre recorded messages even when you can't answer Color Finish Family Black Manufacturer Color Finish White Black Works with Apple HomeKit No Works with SmartThings No Facial Recognition Yes Number of Sound Selections 0 Batteries Included No Shape Designer Specialty Volume Control Yes Sub Brand Nest Warranty 1 year UNSPSC 46171600 CA Residents: Prop 65 Warning(s) No Operating Range (Feet) 0 Works with iOS Yes Smart Compatible Yes Safety Listing Not third party lab tested Works with the Google Assistant No Works with Amazon Alexa No Material Plastic Works with Android Yes Series Name Hello Field of View (Degrees) 160 Wi Fi Compatibility Yes Connectivity Wired