Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2 Year Ba

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 100-Decibel 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 Faq 1. Is There Any Battery Included In The Package? Yes, A Cr123A Battery Is Included. 2. Can I Use My Own Router To Pair With Eufy Security Entry Sensor? No, You Can Only Use Eufy Security Homebase To Pair With Eufy Security Entry Sensor. 3. Can I Use It In An Outdoor Environment? No, It Is Designed For Indoor Use Only (Not Weatherproof). 4. How Can I Know If I Need To Change The Battery? Theres Low Battery Life Notification, Which Will Inform You When The Battery Level Is Lower Than 10%. 5. How To Install The Entry Sensor? Step 1: Peel Off The Mounting Tape And Stick Or Screw The Sensor Onto The Door Or Window You Want To Monitor. Step 2: Stick The Magnet Part Onto The Frame Of This Door Or Window Near The Entry Sensors Printed Magnet Wording. Note: Please Make Sure The Distance Between Entry Sensor And The Magnet Is Shorter Than 1.5In.