WIFI MOTION SENSOR: Wifi PIR motion detector alarm, No hub required, via "Tuya Smart" or "Smart Life" APP to control. The Upgraded sensitive infrared sensor detects motion and emits a audible alarm (up to 110 dB). At the same time, an alert will be pushedto your phone. PIR MOTION DETECTOR WITH 4 ARMING MODES & FREE ALARM RECORDS: You will like the flexibility in the alarm modes (Sound & Light Mode Only Light Mode Only Sound Mode Mute mode--only sent alerts to your mobile phone). Add schedule according toyour needs, TIMED ARMING and DISARMING and view the alarm records through the Tuya App any time anywhere. The alarm can protect your property well and is your first home security system. DUAL INFRARED DETECTION & ACCURATE ALARM: Our Tuya motion detector consists of upper and lower detection windows, 110 detection angle, 40 feet detection distance,support 360 degrees to adjust the detection orientation. Because of the dual infrareddesign, it can prevent people from climbing over the induction blind area without triggering the alarm and prevent false alarms from pets under 25KG. COMPATIBLE WITH ALEXA GOOGLE & SMART LINKAGE: Pir motion sensor can be used with Amazon Alexa, Google home, Siri for home automation. It can also be linked with other smart wifi devices. for example, when you open the door, the sensor will be triggeredand the light will turn on automatically.