Designed to work with LogicMark's line of FreedomAlert and LifeSentry personal emergency response systems that operate at 1.9GHz using DECT communication technology
Accessory - will not function alone
Features:
Accessories : Yes
Notification and Alert Systems : Yes
Dimensions (LxWxH) : 8 x 2.5 x 6
Weight : 1.05 lb.
Energy Star Qualified : No
Recycled Packaging : Yes
Country of Origin : China (provided by manufacturer, not verified)