Smart Motion Sensor, Wifi Wireless Security Alarm, Home Security Pir, Siri Product Features WIFI MOTION SENSOR: Wifi PIR motion detector alarm, No hub required, via "Tuya Smart" or "Smart Life" APP to control. When there is movement detected, the alert notifications will be pushed to your phone, you can also track the history of sensor activities, be aware of what's happening at home even when you're away.(Note: 2.4GHz Wi-Fi network only) THE NEW UPGRADE WIFI DETECTOR: The Upgraded sensitive infrared sensor can be powered by the included USB cable(included) . More stable to receive alert.Long-term power supply, say goodbye to power outages. NOTE: No battery, need to be plugged into the power supply The PIR MOTION DETECTOR WITH 4 ARMING MODES: You will like the flexibility in the alarm modes (?Sound Light Mode ?Silent Mode ?Matte Mode ?Secret Mode). You can even set up a ?secret mode? to alert you that motion has been detected without actually sounding the alarm itself, just sending out the push notification with an alarm sounding on the phone app so you don?t miss it. COMPATIBLE WITH ALEXA SMART LINKAGE: Pir motion sensor can be used with Tuya Smart, Smart Life, Amazon Alexa for home automation. It can also be linked with other smart wifi devices. For example, when you open the door, the sensor will be triggered and the light will turn on automatically. ACCURATE ALARM EASY INSTALLATION: Tuya motion detector, 128 detection angle, 40 feet detection distance. SENCKIT wifi smart motion sensor is easy to use and install, install it everywhere in your home, bedroom or office. 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!