Key Features . Get two years of battery life from one charge100° field-of-view with 30-foot rangeAdjustable motion-sensing sensitivityNotifies you via message on your phones\' eufy Security appConnects to eufy Security homeBase (not included) . Protects You Your Family and Your Privacy Every eufy Security product is engineered to ensure your data is kept private. Keep a secure record of everything that happens around your home. Customizable Detection To prevent your playful pets from accidentally triggering the motion sensor you can adjust the sensitivity so that it only triggers when human-sized intruders are detected. Part of the Family Adding the motion sensor to your existing security system is a breeze. Once installed pair the device via the eufy Security app. Then press the button on the motion sensor and HomeBase will add the sensor to your existing security setup. Instant Alerts As soon as motion is detected the sensor will send an alert to your HomeBase (not included) which in turn will send an alert notification straight to your phone (eufy Security app required)..