WiFi Alarm System for Home Security, DIY, No Monthly Fee, App Alerts

120dB Loud Alarm Protects Your Home: The 120dB indoor siren helps scare away intruders instantly while alerting everyone in your home. Loud enough to be heard throughout most houses.
Free App Alerts, No Monthly Fee: Receive instant notifications on your phone anytime a sensor is triggered. WIFI connection, Only works on 2.4GHz WiFi network, does NOT support 5GHz WiFi networks.Monitor your home from anywhere without subscription costs or hidden monthly fees.
8-Hour Backup Battery: Built-in rechargeable backup battery keeps your alarm system running during unexpected power outages for up to 8 hours.