SMOKE ALRM PHOTO120V+BAT *Brand Name: BRK *Sub Brand: Voice and Locatio *Power Type: Hard-Wired w/Battery Back-up *Sensor Type: Photoelectric *Product Type: Smoke Detector *Packaging Type: Boxed *Test and or Reset Button: Yes *Number in Package: 1 pk *Warranty: 10 year *Discovery ACC, SUP