PRODUCT DETAILS FAST DETECTION: Reports motion to your Z-Wave smart home system reliably. Great solution for light automation and security monitoring. Z-Wave hub required, sold separately. Custom handler needed for SmartThings (contact seller for details). NOT supported by Wink, ADT, Vivint, or Alarm.com. EXTRA FEATURES: Adjustable motion sensitivity and retrigger time. Built-in Z-Wave range test tool for easier network troubleshooting. Vibration reports on SmartThings and other selected gateways. 2 POWER SOURCES: Runs on a single battery for up to a year (depending on traffic and settings) OR on micro USB cable (NOT INCLUDED). Acts as signal extender when connected to USB. FLEXIBLE DESIGN: Extremely small and light, the sensor sits in a perfectly shaped magnetic mounting base for precise and firm positioning. CERTIFIED SECURE: Uses the latest S2 Z-Wave protocol and AES-128 signal encryption. Z-Wave Plus chip for longer range and increased battery life. TECHNICAL DETAILS NOTE: This sensor is supported by open Z-Wave systems ONLY. It will not work with Wink or Z-Wave alarm panels.Please contact seller if you're not sure your hub is compatible.SPECIFICATIONS: Model Number: ZSE18 Z-Wave Signal Frequency: 908.42 MHz Power: 1 CR123A battery (included) / Micro USB cable and power adapter (NOT included) Z-Wave Range: Up to 100 feet in open space Operating Temperature: 32-104° F Installation and Use: Indoor only Will it work with Alexa? Amazon Echo is not a Z-Wave controller so you will need a compatible Z-Wave hub to get readings from this sensor from Alexa. Alexa-compatible Z-Wave hubs include: - Fibaro Home Center Lite - SmartThings - VeraPlus Zooz Z-Wave Long Range Motion Sensor ZSE18 Manual (PDF)