Requirements, Euro Profile Double Cylinder (with emergency function), Indoor use only, Door fitting: Handle or knob... (nuki.io)
The GXT1000VP4 is an excellent versatile two way radio set that delivers great performance, excellent signal quality, great range, and helpful emergency functions. (geekwrapped.com)
Whether you're interested in tracking the storm from afar, or you're in the thick of it and need emergency functions and information, any of these apps could come in handy. (treehugger.com)