【EASY AND QUICK INSTALLATION AND REMOVAL & NO MONTHLY FEES】-- There are absolutely no monthly fees, installation costs, or contracts required. Buy your equipment upfront and self-monitor! Everything you need comes in a box and works in any small business, house, condo or rental apartment. If you want to avoid the tedious process of running cables on your property or have tenant contract restrictions or want to avoid spending money on a professional installation, this system is for you!.【APP CONTROL】 : When important entry areas such as windows/doors are opened, or when motion is detected, get a instant push alerts on your phone and an alarm will issue a 120dB alert. The main controller hub is responsible for connecting with all of the sensors.【COMPLETE CONTROL FROM SMART LIFE APP】-- This self-monitoring system allows you to arm and disarm the system, get notifications, set alarm modes, sync all your Alarm devices and monitor them from the Smart Life App! If Wi-Fi isn’t available, you will need to use your phone's data plan. When you receive event notifications, you control over making the decision to contact the local authorities..【#1 CHOICE FOR RENTERS AND FREQUENT MOVERS】-- Most landlords do not allow you to drill holes in the wall or install complex security systems so the Wi-Fi Alarm System is best overall precisely because it's simple, super affordable, it’s easy to install and it does its job. The ability to take down and set up your system in less than 30 minutes also makes it perfect for frequent movers!.【PROTECTION FOR BREAK-INS & EMERGENCIES】-- Be the first to know when doors and windows open. Link all your Wi-Fi Alarm components and pair them to your mobile devices with the Alarm Panel. Get help as soon as you need it by placing the wireless display hub within reach to press the panic button (SOS) to quickly sound the siren.