eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery Dual-Side Detection, Instant Alerts, Bypass Button, 656ft open-air range,...

eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery Dual-Side Detection, Instant Alerts, Bypass Button, 656ft open-air range, HomeBase 2/3/Mini/Pro required, No Monthly Fee Brand: eufy Part Number: T90E0 Color: White Type: Door / Window Sensor Features: Battery Powered Dimensions: 2.88 x 1.54 x 0.85 inches App-Enabled: Yes