If you took the test in this time period, your scores are valid five years from the end of the testing year when you took the test. GRE testing years begin on July 1. This means that a test taken on May 15, 2015, remains valid until June 30, 2020.
ecobee is a home automation company that makes thermostats for residential and commercial use. They are controlled using a companion app available for iOS, Android and the Apple Watch.
The forthcoming ZigBee Smart Energy 2.0 is an IP-based standard offering energy management and efficiency capabilities. ZigBee IP was specifically designed to provide an IPv6 protocol stack that can operate on low-cost, low-power devices and also support the requirements of ZigBee Smart Energy 2.0.