The Honeywell Evohomo HS911S is a good alarm system for your apartment or small home. The kit consists of a hub, motion sensor, door and window sensor, and a remote control. The smart, wireless alarm system will take care of your home security. Simply install the app on your smartphone and/or tablet and you'll receive a notification the very moment that the system detects something's wrong. This way, you'll always know what's happening at home, no matter where you are. You can expand this starter kit to include up to 32 elements of your own choice, such as an extra glass break detector and siren, so you'll never have to worry about leaving your home again.