UL2034 CO Detector Alarm – LCD Display, High Sensitivity
UL2034 CO Detector Alarm – LCD Display, High Sensitivity
Stay Protected with UL2034 Certified Carbon Monoxide Detection
Your home's safety is a top priority — and invisible gases like carbon monoxide (CO) pose a serious, silent hazard. This high-sensitivity CO Detector Alarm is UL2034 certified, the industry-recognized safety standard for residential carbon monoxide alarms in the United States. With its clear LCD digital display, real-time CO concentration readings are always at a glance, giving you and your family the awareness and peace of mind you deserve.
Powered by a reliable electrochemical sensor, this detector responds quickly to rising CO levels and triggers a dual auditory + visual alarm (loud sound and flashing light), ensuring the alert can be noticed in any room, day or night. Compact and easy to install, it fits seamlessly into any home environment.
Made in Mainland China.
Key Features
- ✅ UL2034 Certified — meets stringent U.S. residential safety standards
- ✅ High-Sensitivity Electrochemical Sensor — accurate, fast CO detection
- ✅ LCD Digital Display — shows real-time CO concentration levels clearly
- ✅ Dual Alarm: Sound + Flashing Light — auditory and visual alerts for maximum awareness
- ✅ Battery Powered — runs on 2 × AA batteries (not included); no wiring required
- ✅ Wall-Mountable — includes mounting screws for easy, secure installation
- ✅ Civilian Grade — designed specifically for everyday residential use
- ✅ Compact Design — 10 × 10 × 4 cm; unobtrusive in any room
Technical Specifications
| Detection Gas | Carbon Monoxide (CO) |
| Sensor Type | Electrochemical |
| Alarm Method | Sound + Flashing Light (Dual Alert) |
| Power Supply | 2 × AA Batteries (not included) |
| Display | LCD Digital Screen |
| Operating Temperature | 5°C – 40°C (41°F – 104°F) |
| Operating Humidity | 20% – 90% RH |
| Dimensions | 10 × 10 × 4 cm |
| Certification | UL2034 |
| Application | Residential / Civilian Use |
What's in the Box
- 1 × CO Detector Alarm Unit
- 1 × Instruction Manual
- 1 × Mounting Screw Package
Where to Place Your CO Detector
For best results, place your CO detector in sleeping areas, hallways adjacent to bedrooms, and near any gas-burning appliances such as furnaces, water heaters, or fireplaces. Wall-mount at approximately head height for optimal sensor performance.
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Frequently Asked Questions
Q: Is this CO detector UL2034 certified, and what does that mean?
A: Yes, this carbon monoxide detector is UL2034 certified. UL2034 is the Underwriters Laboratories standard specifically for single- and multiple-station carbon monoxide alarms used in residential settings. It defines the concentration and time thresholds that must trigger an alarm, ensuring the detector performs reliably and accurately to protect household occupants.
Q: What batteries does the CO alarm use, and are they included?
A: This CO detector runs on 2 × AA batteries. Please note that batteries are not included in the package — you will need to purchase AA batteries separately before using the detector.
Q: How do I install this carbon monoxide detector?
A: Installation is straightforward. The package includes a mounting screw kit so you can securely wall-mount the unit without any special tools. Simply choose an appropriate location (near sleeping areas or gas appliances), mark your mounting points, secure the base, and snap in the detector. Refer to the included instruction manual for step-by-step guidance.
Q: What type of alarm does this CO detector use?
A: This detector uses a dual-alert alarm system — a loud audible sound combined with a flashing light — so the alarm is noticeable both by sound and sight, even if you have difficulty hearing or are in a noisy environment.
Q: Can this CO alarm display the actual CO concentration level?
A: Yes! The built-in LCD digital display continuously shows the current CO concentration reading in real time, so you always know exactly what level has been detected in your home — not just whether the alarm has triggered.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.