DESC: First Alert, Kitchen Smoke Alarm With Single Test/silence Button, Ionization Technology, New Enhanced Smoke Gathering Design, Flashing Visual Silence And Power Indicator, 9V Battery Included, Side Out Battery Drawer Makes Changing Batteries Easy, Tamper Resistant Locking Pins, 10 Year Limited Warranty, Not Available To Oregon Members By State Law, Replaces The Old Model X#SA87.