BRK Smoke Alarm,1 in H,5.13 in W,PK6

Smoke Alarm; Battery Chemistry Lithium; Battery Location Back; Battery Locking Pin No; Battery Size 10-Year Sealed Lithium Battery; Communication Protocol Not Applicable; Compatible With Not Applicable; Detector Type Smoke Detector; Includes Mounting Bracket; Mounting Screws; Number of Tandem Detectors 0; Power Source Removable Battery; Sensor Type Photoelectric; Visual Alert Type Green LED; Red LED; Volume Level 85 dB; Alert Type Sound; Battery Backup Yes; Detects Smoke; For Environment Home