X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector, 10-Year Battery Powered Fire and CO Alarm, SC06-W, Pack of 1 Liang Dian And the volume adjustment does

And the volume adjustment does not affect the emission frequency of ultrasonic waves

Part Number: FoldingCane-JN

Independent lab-tested and contaminant free

Halloween Bat Decor:Bat wall decor set of 68 scary bats in 4 different sizes

Use as shower gel for men after a long day’s work to remove the stress and grime of the day

X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector, 10-Year Battery Powered Fire and CO Alarm, SC06-W, Pack of 1 Liang Dian And the volume adjustment doesBrand: X Sense Color: White Features: Please Note: SC06 W supports wireless interconnection but does not have Wi Fi Wireless Interconnection: When one alarm sounds, all alarms will go off 10 year Sealed Battery: This wireless alarm features a 10 year lithium battery and will give a low battery warning Test Silence Button: The single push of a button will either test or silence all units in the system Full Home Coverage: Link up to 24 Link+ wireless