We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
White rectangular CO detector with digital display and battery compartment

BONAEVER

BONAEVER Carbon Monoxide Detector Alarm Voice Warning Battery Operated Digital Display

SKU CH-9R85-1DH26

Battery-operated carbon monoxide alarm with 85 dB voice warning and digital concentration display

  • Product typeOthers
  • 85 dB alarm with flashing red light warns of dangerous CO levels
  • Digital display shows real-time carbon monoxide concentration for immediate awareness
  • Battery-powered design using three 1.5 V AAA cells works anywhere without wiring
  • Low-battery alert sounds so you know when to replace cells
  • Suitable for kitchen, bedroom, bathroom, hotel, garage or barbecue areas

Portable Carbon Monoxide Detector

The BONAEVER carbon monoxide detector is a battery-operated safety device designed for home and travel use. It provides an 85 decibel alarm with a flashing red light when dangerous CO levels are detected. A digital display shows the current carbon monoxide concentration so you can monitor air quality at a glance. The unit runs on three 1.5V AAA batteries and sounds a low-power warning when replacement is needed.

Suitable Spaces And Limitations

This detector suits kitchens, bedrooms, bathrooms, hotels, garages and barbecue areas where carbon monoxide may accumulate. Its portable, battery-powered design makes it convenient for temporary stays or rooms without mains wiring. It is not for buyers who need a hard-wired unit with battery backup for permanent installation. It also does not serve buyers who require smart-home connectivity or remote notifications.

85 Decibel Alarm With Digital Readout

The decisive specification is the combined 85 decibel audible alarm and digital concentration display. This pairing gives immediate local warning and a visible CO level reading without relying on external power or apps. If your safety plan requires a louder siren, mains power, or networked alerts, this model will not meet those requirements.

How it compares

Measured against everything we stock in Rechargeable Fans & Gadgets, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 55% of the 109 comparable items (median $17.99).

Specifications

Product
Product typeOthers

Questions about this item

How loud is the 85 decibel alarm when it runs continuously?

The alarm sounds at 85 decibels with a flashing red light, providing an audible and visual alert that can be heard throughout a typical room.

Which batteries must I supply for the detector to operate?

It requires three 1.5 V AAA batteries, which are not included, and the unit chirps when battery power is low.

Can this battery-powered CO alarm sit next to my older hard-wired smoke detectors without interference?

Yes, it operates independently on AAA batteries and uses its own sensor, so it works alongside existing hard-wired alarms without wiring conflicts.

More in Rechargeable Fans & Gadgets

Similar items