Eufy Indoor Security Entry Sensor

Key features

• Protect Your Doors and Windows from Break Ins
• Once a window or door is ajar by 1.5 inches, an alert will be sent to your smartphone
• Optional powerful siren will go off on the HomeBase
• Requires the eufy Security HomeBase

Protect Your Doors and Windows from Break Ins with eufy Security Entry Sensor. Once a window or door is ajar by 1.5 inches, an alert will be sent to your smartphone, and a powerful siren will go off on the HomeBase (can be disabled). Important to note that this requires the eufy Security HomeBase