Smoke Detection
The HD18-CGS configuration includes a smoke sensor with visual status indication and audible alarm behavior.
ANSBELL HOME SAFETY
3 HAZARD DETECTION TYPES · 2 INDOOR READINGS · RECHARGEABLE BACKUP
A clearer view of everyday home safety
Ansbell 6 in 1 Detector
Bring three important types of hazard detection together with temperature and humidity readings, plus built-in rechargeable backup power. One thoughtfully designed device helps you keep useful home-safety information in view.
Bundle pricing
Starting at $30.99
- SMOKE
- CO
- COMBUSTIBLE GAS
- TEMPERATURE
- HUMIDITY
- BACKUP BATTERY
For indoor use. Install, place and test according to the supplied manual and local requirements.
2-Year Limited Warranty
Coverage for qualifying manufacturing or assembly defects.
1000mAh Backup Battery
Built-in rechargeable lithium battery with automatic changeover.
Weekly Self-Test
A dedicated TEST button makes routine checks straightforward.
One Device · Six Practical Functions
Six Practical Functions. One Compact Detector.
HD18-CGS combines three hazard-detection functions, two indoor-environment readings and rechargeable backup power in one easy-to-check device.
Carbon Monoxide Detection
Displays carbon monoxide readings from 0–999 ppm (±5%), according to the supplied HD18-CGS manual.
Combustible Gas Detection
Designed to detect common combustible gases including natural gas, LPG, methane, ethane, propane and butane.
Temperature Display
Shows indoor temperature from -10°C to 50°C (14°F to 122°F), with the accuracy stated in the manual.
Humidity Display
Displays relative humidity from 5% to 95% RH, helping you check indoor conditions at a glance.
USB-C Rechargeable Backup Power
A built-in 1000mAh battery provides backup power during outages or when unplugged. Easily rechargeable via USB-C.
Made for Everyday Spaces
Designed Around the Spaces You Use Every Day.
Use the Detector in suitable indoor locations where you want to keep its readings and alerts easy to notice. Always follow the placement guidance in the manual.
KITCHEN & APPLIANCE AREAS
Stay Aware Around Everyday Appliances
Use in a suitable location according to the manual, away from steam, oil fumes, strong chemicals and blocked airflow.
BEDROOM & HALLWAY
Keep Alerts Easy to Notice
Place the Detector where its indicators and audible alerts can be noticed, following local requirements and the supplied placement instructions.
LIVING & SHARED SPACES
Check More Than Alarm Status
Temperature and humidity readings add useful indoor-environment information to the detector status shown on screen.
A Closer Look
More Than a Beep. More Information at a Glance.
The screen, status icons and built-in backup battery are designed to make everyday checks more straightforward.
CLEARER INFORMATION
A Clearer Picture at a Glance.
The display brings together key readings and sensor status icons, so you can check the information shown by the Detector without managing several separate screens.
BACKUP WHEN POWER CHANGES
Built-In Battery Backup.
When connected to mains power, the Detector charges its built-in 1000mAh lithium battery. If unplugged or if power is interrupted, it automatically switches to the built-in battery.
Compare at a Glance
One Device. Several Important Functions.
See what is included in the HD18-CGS configuration compared with a single-function alarm or a setup built from separate devices.
| Function | Ansbell HD18-CGS | Single-Function Alarm | Separate Devices |
|---|---|---|---|
| Smoke detection | Included | Only if it is a smoke alarm | Requires a separate smoke alarm |
| Carbon monoxide detection | Included | Only if it is a CO alarm | Requires a separate CO alarm |
| Combustible gas detection | Included | Only if it is a gas alarm | Requires a separate gas detector |
| Temperature display | Displayed on the same screen | Not typically included | May require another monitor |
| Humidity display | Displayed on the same screen | Not typically included | May require another monitor |
| Rechargeable backup battery | Built-in 1000mAh battery | Varies by model | Varies by device |
Choose Your Bundle
Choose the Right Number of Detectors for Your Home.
Start with one Detector or choose a multi-unit option for more than one important space.
Selected product: Smart 6-in-1 Home Safety Detector – Smoke, Carbon Monoxide & Gas Alarm with HD Display
1 Detector
A straightforward first step for one key indoor space.
Price per Detector$30.99
One Detector · Standard single-unit price
Bundle total
$30.99
- For one key indoor area
- Includes Detector and user manual
2 Detectors
A practical choice for two important areas in your home.
Fixed price per Detector$29.99
2 Detectors · Fixed bundle unit price
Bundle total
$59.98
- Two Detectors in one order
- Fixed unit price: $29.99
5 Detectors
Plan ahead for several rooms with one convenient order.
Fixed price per Detector$27.99
5 Detectors · Fixed bundle unit price
Bundle total
$139.95
- Five Detectors in one order
- Fixed unit price: $27.99
Customer Feedback
What Matters in Everyday Use.
“I like having all the readings together on one screen. It's easy to check while I'm in the kitchen, and I don't have to spend time figuring out how to use it.”Emily Carter
“The display is clear and easy to read. I also like that the TEST button is simple to use. Nothing complicated about setting it up.”Robert Hayes
“We keep one in our camper. It's compact and doesn't take up much room. I like being able to see the different readings all in one place.”Marcus Johnson
“We bring it along when we're away from home and have a suitable outlet available. It's easy to set up, and I like having the temperature and humidity readings on the display too.”Hannah Brooks
“I wanted something simple to keep an eye on the readings at home. The display is easy to understand, and plugging it in made setup pretty straightforward.”Daniel Chen
“I really like being able to see the temperature and humidity without needing another device. The screen is easy to read, and it's been simple to use around the house.”Margaret Lewis
Ansbell Trust Bar
Documentation You Can Review
Explore the supplied laboratory accreditation, product declaration and model-related test documentation. Each document is labelled by its actual scope.
LABORATORY ACCREDITATION
CNAS Laboratory Accreditation
The supplied certificate identifies Shenzhen Huasheng Test Technology Co., Ltd. as accredited under ISO/IEC 17025:2017 (CNAS L17890; effective 2023-03-02 to 2029-03-01).
TEST REPORT
UL 217:2020 Smoke Alarm Test Report
The supplied report lists HD18 and additional models including HD18-CGS.
TEST REPORT
UL 2034:2017 CO Alarm Test Report
The supplied report references HD18, HD18-CGS, HD18-CG and HD18-CS.
TEST REPORT
UL 1484:2016 Gas Detector Test Report
The supplied report references the HD18 model series, including HD18-CGS.
Questions Before You Choose
Questions Before You Choose?
Clear answers about the HD18-CGS functions, power, testing and documentation.
What does the HD18-CGS version detect?
The HD18-CGS configuration combines carbon monoxide, combustible gas and smoke detection. It also displays indoor temperature and humidity, and includes a built-in rechargeable backup battery.
Which combustible gases can it detect?
The supplied manual lists natural gas, liquefied petroleum gas (LPG), methane (CH4), ethane (C2H6), propane (C3H8), butane (C4H10) and other combustible gases.
Does it keep working if the power goes out?
The HD18-CGS has a built-in 1000mAh lithium battery. When connected to mains power, the battery charges automatically. If the unit is unplugged or mains power is interrupted, it switches to the built-in battery. In battery mode, the screen may turn off after one minute of inactivity to save power while the unit continues operating.
How often should I run a self-test?
The manual strongly recommends a regular self-test and specifically recommends testing weekly. Press the TEST button briefly. The manual describes three green indicator flashes and three beeps when the sensors and buzzer are functioning normally.
Can I turn off the audible buzzer?
The buzzer button can temporarily mute audible alerts for lower-level detection. The manual states that the buzzer automatically reactivates when high levels of smoke or combustible gas are detected, or when the CO concentration exceeds the stated high-level threshold. Keep the buzzer enabled during normal use.
Is HD18-CGS a dedicated heat detector?
No. The supplied HD18-CGS manual identifies this configuration as CO + combustible gas + smoke. It displays temperature and humidity, but this page does not describe it as a dedicated heat-actuated detector.
What do the supplied certification and test documents cover?
The supplied FCC document is a Supplier’s Declaration of Conformity for the HD18 series, including HD18-CGS. The UL 217, UL 2034 and UL 1484 files are test reports referencing the listed standards; they should not be described as UL Listed product certificates. The CNAS document is an accreditation certificate for the testing laboratory, not for the Detector.
What is the warranty and expected service life?
The supplied manual states a two-year warranty for qualifying manufacturing or assembly quality issues, subject to exclusions. It also states an approximate maximum product service life of five years. Follow the manual and replace the unit at the end of its stated service life.
Does the combustible-gas sensor need time to warm up?
Yes. The supplied manual states that the combustible-gas sensor begins preheating when the Detector is powered on and a 60-second countdown appears. Button functions are unavailable during this short preheating period.
What are the temperature and humidity measurement ranges?
The manual lists a temperature measurement range of -10°C to 50°C (14°F to 122°F), with ±3°C accuracy, and a relative-humidity range of 5% to 95% RH, with ±5% accuracy. The stated operating environment is -10°C to 60°C and 20% to 80% RH.
What power supply does it use?
The supplied manual lists AC 100–240V, 50–60Hz mains power and a built-in 3.7V, 1000mAh lithium battery. The stated maximum operating voltage/current is 5V/1A.
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