Eufy Security Entry Sensor

Eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase or HomeBase E

• 2-YEAR BATTERY LIFE: One CR-123A battery provides monitoring for 730 days.
• FOR DOORS AND WINDOWS: Small and compact design fits onto any door or window frame.
• 100-DECIBEL SIREN: If a forced entry is detected, a siren as loud as a jackhammer will be triggered on HomeBase, and you’ll be notified instantly on your smartphone.
• EASY INSTALLATION: Just peel off the mounting tape and stick the sensor onto the door or window you want to monitor.
• WHAT'S INCLUDED: Entry Sensor, Magnetic Base, Mounting Screws, Instruction Manual, Happy Card.