BRK SA511B One Link Wireless Battery Smoke Alarm With Voice; (2) 1.5 Volt AA Batteries, 85 DB At 10 ft Loudness, White

Detailed Description: BRK Wireless battery smoke alarm in white color offers secure and reliable radio frequency communication between alarms. OneLink enabled voice alarm is programmed up to 11 locations and operates at a frequency of 915 MHz with 3 channel frequency hopping. It uses optipath 360 technologies that offer 360 deg direct access to photoelectric smoke sensor. It features latching mechanism that identifies unit in low battery condition. It has single button for testing and silencing operation. It measures 5 Inch x 5 Inch x 2 Inch. Loudness rating of alarm is 85 dB at 10 ft of distance.

Alarm is perfect mounted that allows easy alignment of alarm. Two silence features can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm. It is used in environment that has relative humidity rating of 10% - 95%. Alarm uses spread spectrum horn tone that helps to hear the horn clearly. Alarm is UL listed.