Wi-Fi Motion Sensor: Smart Motion Detector Pir Infrared Motion Sensor, 1-Pack 1. The sensor uses infrared background radiation as the inspection principle. During installation, it is necessary to avoid direct sunlight and other heat sources, as they may interfere with the inspection results. 2. In order to avoid duplicate alarms, we made logical judgments internally. It is incorrect to test immediately by waving your arms after the configuration is completed. The correct testing method should be to completely leave the sensor for at least 40 seconds before reappearing within the sensor's detection range. Specifications: App: Smart life App and Tuya Smart App Sensitivity Distance: 26ft/7m Detecting angle: 128 Standby current: 35?A. Wireless type: 2.4 GHz (5G is not applicable? Frequency support: 802.11a/b/g/n Battery: 2 * AAA (Included) Standby time: 12 months Application environment: indoor Working temperature:32F~104F(0~40?) Working humidity: 20%~85% Storage temperature:32F~140F( 0~60?) Storage humidity: 0%~90% Size: 2.74*0.98*1.17in(7*2.5*3CM) Product Features App Remote Monitoring: No hub required. Whenever and wherever you are, once the battery powered motion sensors detect people or animals are moving, you will receive a push notification by smart phones in Tuya/Smart Life App. Keep your house safe all the time. Smart Home Automation: You can create an intelligent routine in the Smart Life app, When you get up at night, PIR motion alarm detects your movement, light will on automatically. You can discover more smart scenes with Tuya smart devices to satisfy yourself to a large extent. The Motion Sensor Detects Your Movement: Wireless motion sensor alarm with a detection range of 128 and a detection distance of 23 feet (7 meters), realize real-time monitoring day and night. Only support 2.4G Wi-Fi Support Third-party Voice Control: By connecting the smart sensor with Alexa to realized voice control. You can customize Alexa messages like "Welcome Home" or "Motion in the Living Room Detected" when motion is detected. Easy To Install: Thanks to its small and wireless design, the wifi motion sensor can be installed and set up in seconds. It supports multiple installation methods such as laying flat, hanging with a lanyard loop, mounting on the wall or other places with the sticker or screws. 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!