INDEPENDENT WORKING, EASY TO USE wifi pir motion sensor, APP Remote Control.Use Tuya APP for free, it can be used independently by connecting to WIFI without connecting to alarm main unit. Minimalist screen, easy operation, real-time monitoring whether there is someone through Tuya APP, when motion is detected, the alert will be sent to your phone, clear at a glance. Can be used with Alexa, Google Home and Siri. WIDE DETECTION AREA Smart Wi-Fi motion sensor, adopting Fresnel optical sensing technology, 12m sensing distance, every 110 spaces fan-shaped, effective sensing angle, avoid creeping understatement undetected behavior. ^ ACCURATE ALARM The indoor motion sensor with reflective mirror detection technology, it can alarm accurately even under direct sunlight (7000Lux anti-white light), realize real-time monitoring day and night. night; prevent false alarms or under-reporting of animals under 25KG. A complete standalone motion sensor based alarm system for shed, kitchen, bedroom, boat, garages, etc. long standby time 30ua working time can last six months without replacing the battery. When the low battery indicator turns green and the phone receives a remote call back. (Important Note: Do not install it in places like stores and malls where people come and go, the battery will run out quickly due to frequent alarms, this product does not include batteries).