Smoke Alarm - White

• This smoke alarm is designed for living areas and hallways. Photoelectric smoke alarms have a sensing chamber which uses a beam of light and a light sensor.

• When smoke enters the chamber it changes the amount of light that reaches the sensor and the alarm sounds when the smoke reaches a certain level. They are best at detecting slow burning fires which burn for hours before bursting into flame. 

• Works on Battery 

• Extra loud 85db warning tone.

• Mounting hardware included.

SD5YSM-04