Fangrui Product Details Enhanced Security Features: Equipped With Advanced Motion Detection Technology, This Smart Doorbell Alerts You To Any Activity Within A 120-degree Field Of View, Ensuring Comprehensive Coverage Of Your Entrance Area. Versatile Voice Options: Customize Your Guests Welcome With 12 Different Voice Messages, Making It Suitable For Various Retail Environments And Enhancing Customer Interaction. Easy Installation: Designed For Quick And Straightforward Setup, This Doorbell Can Be Installed Without Professional Help, Making It An Ideal Choice For Small To Medium Retail Establishments Looking To Improve Their Guest Management System. Colour:white Material:plastic Package Contents: 1 * Smart Welcome Doorbell Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.