Specification:

Compatible with ECHO PLUS, ECHO STUDIO, ECHO SHOW 2 Gen, DeConz, RaspBee, Hubitat Elevation This is not WIFI device. Not compatible with Philips Hue! PLEASE refrain from purchasing if have no idea about Zigbee or do not own a compatible Zigbee Gateway.
This Zigbee Motion Sensor is fully compatible with Amazon Echo Plus and Echo Show 2nd Gen. Expand your Echo's Zigbee functionality Easy setup, simply reset the device and ask Alexa to discover new devices. Once the motion sensor is added, it is possible to create all types of pre-defined routines in Alexa app. 
Multiple ways to use with Alexa routines, e.g. You may set it up to have your Hue lights switched on when a motion is detected, and switch them off when there is no motion for a certain period.
The smart sensor works with 3xAAA battery and it can work continuously for 6 months in 2 min mode(4min mode up to 12 months) (batteries not included). please Read connecting steps on image or the instruction manual which in the package first before the smart sensor was installed. Battery: AAA1.5V x 2 (Batteries not included)
Standby current: le5uA
Operating Temperature: -10 Celsius-40 Celsius (14degF-104degF)
Operating Humidity: 20%-85%
Storage Temperature: -10 Celsius -60 Celsius (14degF-140degF)
Storage Humidity: 0%-90%
Standby time : 6 - 12 months

Zigbee Smart Door Window Sensor

TT$180.00Price