Broadlink Fastcon Smart Radar Motion Sensor - Wireless, Mini Hub Gw4C Required Product Features ?HIGH SENSITIVITY WIDE DETECTION RANGE?- Smart Home Sensor -radar motion sensor, moving objects can be detected accurately ?DIY HOME AUTOMATION? ? The smart motion sensor can be set to trigger with other BroadLink FastCon smart devices to build your home automation; Wide detection range and highly sensitivity will allow you to enjoy smart home freely. Such as turn on your bedside light automatically when you enter the bedroom ?EASY TO INSTALL?- Download the latest BroadLink FastCon App. Long press the reset button and wait for the device to pop up in the BroadLink FastCon app; No need complex tools for installation, there has stickers in the package to be placed anywhere you want. ?SUPPORT ALEXA ROUTINE?- Alexa can alert you when the sensor is triggered or you can ask Alexa to know the current status. You can also create routines in the Alexa (Requires a BroadLink Mini Hub GW4C). Note: at present, google home doesn't support such functions. ?REAL-TIME ALERT HISTORICAL RECORD?-Set an alert notification in the BroadLink FastCon App. When the sensor is triggered or dismantled, you will immediately receive an notification on your phone. You can also check the status record from anywhere. BroadLink FastCon App will keep record of recent 30 days data. (Requires a BroadLink Mini Hub GW4C). ?LOW BATTERY WARNING?-The radar sensor requires 2 AAA batteries (included). You will receive a push message from the app when the batteries are low. Never worry about running out of batteries again Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!