IP Camera and cloud recording
You can always record footage and store it to your computer locally. cloud storage has limitations and the resolution mayu be affected
Door bell
Can you provide it's specifications? For compatibility testing?
Security System, CCTV and Intercom
This could help you decide for your system http://articles.chicagotribune.com/2012 ... ide-alarms
Video Intercom
I believe its an intercom hybrid. It is available internationally for about £120, AU$215.
Home Alarm System
It has a large number of modules for those system without fixed line.
Home security system
How does a Safewatch CellGuard work in a security system?
Gate Lock
It would be best to find safe opening locksmith services.
Security screens and window cleaning
It is best if you remove first your screen and wipe it first with clear water to keep out the moist out of it.
Did you leave your garage door open?
I'd love to try this out. Thanks for the idea!
How to make my place more secure at night
Install a panic alarm to where you want to monitor. If your system detects a motion, then it will alarm you immediately.