WiFi Alarm System for Home Security, 120dB Loud Siren, App Alerts 8pack

120dB LOUD ALARM FOR HOME SECURITY: The 120dB indoor siren delivers a powerful alert when a sensor is triggered, helping deter potential intruders and immediately notifying everyone in your home. The loud alarm can be heard throughout most areas of the house.
APP ALERTS, NO MONTHLY FEE: Receive instant alerts on your smartphone whenever a connected sensor is triggered. Control and monitor your home security system remotely through the app without subscription fees or hidden monthly costs. Requires 2.4GHz WiFi; does NOT support 5GHz WiFi networks.
8-HOUR BACKUP BATTERY: The built-in rechargeable backup battery keeps the WiFi alarm system operating for up to 8 hours during unexpected power outages, helping maintain essential home protection when the power goes out.