Eufy Security Entry Sensor – T8900

• 2- Years Battery Life : One 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.

Model Number: T89000D4