Video Door Bellls let you know when people come to your home by using your smartphone. You can pick up the smart home door bells at very reasonable price.
https://www.elitewholesalers.com.au/product-category/intercoms/video-doorbells/
+61295337877
$600 (Negotiable)
Canberra, Canberra, ACT
$50 (Negotiable)
Five Dock, Sydney, NSW
Melbourne, Melbourne, VIC
Melbourne, Melbourne, VIC
Milton, Melbourne, VIC
Yatala, Gold Coast, QLD