SITERWELL Smoke Detector, 10-Year Smoke Alarm with Built-in Battery and Photoelectric Technology, Fire Detector with Low Battery Signal and Silence Fuction for House and Office, UL217, GS508C, 1 Pack
- PHOTOELECTRIC TECHNOLOGY: The smoke detector has photoelectric technology, it's more sensitive to detecting slow smolder fires which general thick, black smoke and may smolder for hours before bursting into flames.
- TEST/SILENCE BUTTON: The smoke detector designs the test function by pressing the test button, used to test the product is working normal. A weekly test is required. In order not to disturb your rest, the product designs function of silence and no disturb.
- EASY INSTALLATION & HIGH QUALITY: The alarm can easily install with mounting bracket. No hardwired anymore, it's easily to install on wall or ceiling. Our products are UL certified, you can rest assured and have absolute trust in our products.
- 10 YEARS OF LIFE: The smoke detector has built-in 3V lithium battery which provides 10 years life and warns you when the battery is low. When the alarm send a fault signal, you must replace the product immediately.
- ENVIRONMENTAL PROTECTION: The smoke alarm device does not contain the radioactive material which is harm to the environment and human. So you can use our products with confidence.