Ultra-thin for invisible installation - fits between your door / window and frame
Weatherproof - use it indoors
(just not on metal gate, it will interfere with Z-Wave signal)
Made in Europe
Built-in battery that lasts up to 10 years
Z-Wave Plus Certified (ZC10-16085166), U.S./Canada/Mexico frequency, Compatible with (contact seller if your controller is not on the list): Fibaro, HomeSeer, SmartThings, Vera, Zipato, WINK users : please DO NOT buy it. Wink supports very limited command classes and does not work with most new z-wave devices.