SMOKE DETECTOR OPAL SMOKE DC9V LITHIUM 10Y BATTERY

Opal photoelectric smoke and fire alarm contains no radioactive materials and features an advanced photoelectric sensor system. The fire alarm responds quickly to fires and also has a test button to check the battery condition and alarm functionality. The smoke alarm operates correctly when the red indicator light flashes once approximately every 43 seconds. The battery low-level warning emits an audible signal every 43 seconds. Battery: 9V/6LR61 lithium battery. Low voltage alarm, easy to install. The device has a 2-year warranty and a replacement interval of 10 years. The estimated battery lifespan is approximately 10 years. This product description is an automated translation of the original Finnish description.