SR-821THS is the best battery operated smoke and carbon monoxide detector uses internal dual sensors to detect carbon monoxide, smoke, and audible and visual alarms. It adopts independent installation and abandons complicated wiring. Keep your family safe.
Then, how to maintain best battery operated smoke and carbon monoxide detector SR-821THS （Similar products are also applicable）？
The product requires regular maintenance. Remove the dust on the surface of the detector once a month to keep the air inlets open. Have a professional test it every six months. If it is found to be invalid, it must be repaired or replaced as soon as possible.
Do not wipe the detector with detergent or solvents. Chemicals may permanently damage or temporarily contaminate the sensor. Avoid spraying air freshener, hair spray, paint or other aerosols near the detector.
The best battery operated smoke and carbon monoxide detector can reduce the occurrence of accidents, but it is not guaranteed to be foolproof. For your safety, in addition to using this product correctly, you should also provide vigilance in daily work and life and strengthen awareness of safety precautions.
For best results, it is recommended you regular maintenance the best battery operated smoke and carbon monoxide detector as soon as you sign your purchase and sale agreement !