Sealed Interlinked Smoke Alarm - 10 Year Battery Life, Small Size Fitting_Portable no hard wire work is

no hard wire work is requirement

You can use it at home

【Additional Features】Alarms can be equipped with an additional sensor to improve safety in larger Spaces

Use when you want to detect heavy and light gases

Fix the detector bracket to the wall with screws first

Sealed Interlinked Smoke Alarm - 10 Year Battery Life, Small Size Fitting_Portable no hard wire work isReliable Wireless Interconnected Smoke Detector: Protect your home with this advanced fire alarm that connects wirelessly with other detectors for comprehensive coverage. Long Lasting 10 Year Battery Life: Enjoy peace of mind knowing that this smoke detector's battery will last for a decade, eliminating the need for frequent replacements. Wide Transmission Range: With a transmission range of over 820 ft, this smoke detector ensures reliable