Need help with installing smart doorbell

Portland OR

Description

Help with smart doorbell hardwired. Im not an electrician but I gave it a shot anyway. But its not working. Trying to connect smart cam doorbell to existing wires. Can anyone help troubleshoot that wont charge an arm and a leg? I can pay something just not a lot.. Matter fact I'd do all the work if I have guidance. Anyone handy. Needed ASAP Lents park area