White Ecolink Intelligent Technology Z-Wave Garage Door Tilt Sensor, Eco). From the leaders in Wave technology, the Eco link Garage Door Tilt Sensor allows you to improve the safety and security of your home and family easily and effectively. Built with premium components, including gold plated tilt components for better performance, these motion sensors provide instant and reliable performance as part of your security system. Dimensions: 3.0?L x 1.7?W x 1?H. Easy installs with included flush mount bracket and begins to learn as soon as batteries power it up. Five year battery life and discrete design keep it out of sight and out of mind when not on alert. External contact input available for external triggers. Works with most brands of Z-wave home security hubs.