4-in-1 Ring Plug in Smoke & Carbon Monoxide Detectors Combination Built-in 1000mAh Backup Battery Plug&Play&Audible 85dB Smoke CO Temp Humidity Senor for Home Hotel Travel (White, 1 Pack) Dreamall 1 pcs aluminum storage case

1 pcs aluminum storage case

Whether working in a warehouse

Provide extra protection for your wire

Enhanced Safety and Professional Appearance: This fire extinguisher holder not only ensures safety but also adds a professional and rugged look to your boat

4-in-1 Ring Plug in Smoke & Carbon Monoxide Detectors Combination Built-in 1000mAh Backup Battery Plug&Play&Audible 85dB Smoke CO Temp Humidity Senor for Home Hotel Travel (White, 1 Pack) Dreamall 1 pcs aluminum storage caseAbout this item Plug&Play (Compatile with 110 240V US outlets) HAKINAKU 4 in 1 CO & Smoke detectorsAll in 1 combination detectors Integrated carbon monoxide, smoke,temperature and humidity sensors, real time to detector and enhance the home environment gas safety for us. Plug in&Play designCompatible with 110V to 220V AC US standard outlets. Just Plug in and the CO & smoke combination detector will real time work all day. Easily enhance safety in