This product is Zigbee version, Users must have/already bought a zigbee hub to operate. If without a zigbee hub, then such model will not work. ZigBee PIR motion sensor detector movement sensor ewelink app wirele home automation system work with Alexa Product Features: [Advanced Motion Sensor]]PIR detects human body or animals thatare moving,360°detection angle, 5m detection distance, can achievereal-time monitoring day or night. [Emergency Alert Push Function]]When there is movement detectedthe alert notifications will be pushed to your phone, be aware of what'shappening at home even when you're away. [History Records Tracking]]You can track the history of sensoractivities. [Strong Performance]]Ultra-long Standby Time Long transmiion dis-tance, high sensitivity,and strong network signal. Ultra-long standby time.Powered by 2pcs AAA batteries(include),can last for about 12 months. [Low Voltage Remind]]When the battery level is low, it will automatically remind you to change batteries, never worry about running out of battery. [Intelligent Linkage]]The PIR Motion sensor can be linked with other smart devices, simple steps to create Smart Home automation and mobile phone remote monitoring. [Third-party voice support]]This sensor supports Alexa. [Power supply mode]]There are two power supply modes: USB and battery. [Third-party voice support]]This sensor supports Alexa. [Power supply mode]]There are two power supply modes: USB and battery. Specifications: USB input voltage:DC5V/ 2A Battery :DC3V LR03*2 Battery Input voltage:DC3V LR03 Static Current:≤35uA Working current:≤15mA Low-voltage notification:≤2.4V zigbee operating frequency:Zigbee 3.0 Detection distance :6M Working temperature :-10-50 Working humidity :≤95%RH Alarm mode: mobile phone app notification push(eWeLink) Product package included: 1xWiFi PIR Motion Sensor(Not include battery)1xsticker1xUser manual Product Image: