Fibaro Z-Wave Motion Sensor - FGMS-001 Worlds smallest z-wave Multi-sensor detects motion, temperature, light and vibrations due to built-in accelerometer. Only 1  in diameter. Get alerted immediately on your smart phone, tablet, our email when there is motion detected. Trigger certain lights, activate specific scenes or even sirens if there is a threat Intelligent Object recognition- Can distinguish between a small pets or person. Adjustable sensitivity and indicator LED to persons liking. Multi Color LED eye visually displays motion and temperature per user configuration settings. (LED eye can be turned off. Certain controllers may be required for advanced configuration) Built-in tamper protection alerts user if sensor has been moved and can even be used for Earthquake detection (Fibaro controller may be required for advanced configuration) Z-Wave Certifed Sensor: Cert ID: ZC08-14070006/ Frequency Region: U.S./Canada/Mexico, Z-Wave Library Version: 4.55.00