Lloytron B820 Photoelectric Smoke Fire Detector Alarm 9 Volt Battery Operation (Battery included). Built- In Test Button & Warning LED. Loud 85DB Audible Alarm. 'Hush Button' For Quick Silencing. Photoelectric Technology - Responds Faster To Slow Smoky Fires. Mounting Bracket & Screws Incl. Safety Clip Won't Allow Mounting Of Alarm Without Battery.

Lloytron B820 Smoke Fire Alarm Features:

• 9 Volt Battery Operation (Battery included)
• Built- In Test Button & Warning LED
• Loud 85DB Audible Alarm
• 'Hush Button' For Quick Silencing
• Photoelectric Technology - Responds Faster To Slow Smoky Fires
• Mounting Bracket & Screws Incl. Safety Clip Won't Allow Mounting of Alarm without Battery