If Vivint smart home intelligence is coursing through your home (the brand is a pacesetter in high-finish connected home technologies), you shouldn't think two times about springing for this video doorbell. Electrical shock hazard. Disconnect power to installation location at your circuit breaker or fuse box ahead of commencing installation. https://tedomarket.com/product/smart-home/smart-home-security/tivdio-t-11d-7-color-video-door-phone-video-intercom-door-intercom-ir-night-vision-camera-doorbell-kit-for-home-apartment-f9504/