Notion Sensors: Ever heard of Notion Sensors..Notion has eight different senses, all working seamlessly together and makes it easy to monitor your entire home, no matter where you are.. It measures 8 Parameters Viz..Temperature, Acceleration, Natural Frequency, Light, Motion, Sound, Angular Rate and Water. In terms of applications it monitors doors opening and closing, can alert on room temperature, detects water leaks in sink, detects alarm from a smoke sensor and much more. Powered by coin cell batteries, these sensors are cordless and plugs in any space in your home. Notion apps are available for iOS and Android that can help in adding any tasks like assigning the sensor to monitor temperature, listen to your door bell, watch out for water leakage etc.. Apart from the sensors you need to have a Bridge that receives the signal from the sensor and sends them to your wi-fi router. Sensors can be about 175 Ft from this Hub/Bridge. Happy Learning.. ...