BRK'S new and improved smoke alarm is a battery operated smoke alarm specifically designed for residential and institutional applications such as sleeping rooms of hospitals hotels motels dormitories and other multi-family dwellings as defined in standard NFPA 101. Complies with UL217 CSFM NFPA 72 NFPA 101 and other agencies that model their codes after the above agencies. Features a fully insect screened dual ionization smoke sensing chamber a 85dB horn a supervised 9V battery power supply a full function test switch a red LED light that indicates DC power or alarm. Battery installation and removal can occur while the unit is mounted to the ceiling or wall. When voltage drops to a preset warning level the horn will chirp approximately one time per minute to indicate a fresh battery is needed. To insure the battery is always replaced properly the cover is designed to resist closing when the battery is missing.

• -REPLACES Old Model # 82RN
• - Operating Voltage: 9V Battery
• - Temp Range: 40 degree F - 100 degree F
• - Humidity Range: 10% - 90% RH (Relative Humidity)
• - Audio Alarm: 85db at 10ft.