This Product Requires Security HomeBase to Operate (Security HomeBase is not included) Protect your Home/Office/Shop doors and windows from Break-Ins. 2-Year Battery Life: One battery provides monitoring for 730 days. For Doors and Windows: Small and compact design fits onto any door or window frame. 100-Decibel Siren: If a forced entry is detected, a siren as loud as a jackhammer will be triggered on HomeBase, and you’ll be notified instantly on your smartphone. Easy Installation: Just peel off the mounting tape and stick the sensor onto the door or window you want to monitor. : : :