Eufy Wireless Door/Window Sensor T89000D4

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. POWERFUL 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. Entry Sensor. Protect Your Doors and Windows from Break-Ins with eufy Security Entry Sensor. Once a window or door is ajar by 1.5 inch, an alert will be sent to your smartphone, and a powerful siren will go off on the HomeBase (can be disabled). Requires eufy Security HomeBase.. eufy Security: Less Trouble. More Secure. Ever Expandable.. Surveil your home from front to back for total peace of mind. Created by the same team as Anker: renowned for exceptional quality and innovation. Features. Operating temperature (T-T). -10 - 50 °C. Easy to use. Yes. Product colour. White. LED indicators. Yes. Alarm decibels. 100 dB. Suitable for. Door/Window. Connectivity technology. Wireless. Power. Number of batteries supported. 1. Battery type. CR-123A. Weight & dimensions. Weight. 67 g. Height. 74 mm. Depth. 22 mm. Width. 28 mm. Sustainability. Compliance certificates. CE. leaflet