# 100美元以下哪款一氧化碳探测器最具性价比？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

Which carbon monoxide detector offers the best value for money under $100?

## 产品列表

### FireAngel FA3322 10 Year Battery Digital Carbon Monoxide Alarm
```yaml
product: fireangel-fa3322-10-year-battery-digital-carbon-monoxide-alarm
brand: FireAngel
price_gbp: 31.64
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
dimensions: 5.08 x 2.99 x 1.22 in
battery_life: 10
display_type: LCD
digital_display: CO levels, temperature, humidity and status messages
alarm_sound_level: 85
```

- **价格:** £31.64 [^1]
- **概述:** FireAngel FA3322 是一款采用密封式10年电池供电的 一氧化碳报警器，配备电化学传感器和彩色编码 LCD 显示屏。它适用于卧室、起居空间、房车及其他需要清晰视觉警报和免维护保护的家庭区域。
- **最适合:** 它以低于100美元的价格提供出色的性价比，配备密封式10年电池、85 dB报警器、电化学传感器，以及可显示一氧化碳浓度、温度和湿度的数字 LCD 屏幕。
- **附加来源:** [^2], [^3]

### Kidde K5CO Carbon Monoxide Alarm
```yaml
product: kidde-k5co-carbon-monoxide-alarm
brand: Kidde
price_gbp: 13.24
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
dimensions: 5.0 x 2.9 x 1.5 in
display_type: LED indicators
digital_display: false
alarm_sound_level: 85
```

- **价格:** £13.24 [^4]
- **概述:** Kidde K5CO 是一款小巧的电池供电一氧化碳报警器，配备电化学传感器、持续监测功能、测试/复位按钮以及绿色和红色 LED 状态指示灯。其 85 dB 报警声、10 年传感器寿命，以及壁挂式或独立式安装方式，使其适合家庭和其他室内生活区域使用。
- **最适合:** 凭借 85 dB 报警声、电化学传感器、持续监测功能、可更换 AA 电池和 10 年传感器寿命，它以较低的购买价格提供了 100 美元以下产品中的出色性价比。

### FireAngel Carbon Monoxide Alarm
```yaml
product: fireangel-carbon-monoxide-alarm
brand: FireAngel
price_gbp: 23.91
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
battery_life: 10
display_type: LCD
digital_display: true
alarm_sound_level: 85
```

- **价格:** £23.91 [^1]
- **概述:** The FireAngel FA3322 is a carbon monoxide alarm with a backlit LCD that displays CO levels, temperature and humidity. It has a sealed 10-year lithium battery, electrochemical sensor, low-level CO monitoring and quiet self-testing, making it suitable for homes, bedrooms, caravans and motorhomes.
- **最适合:** 售价低于 $100 时，它具有很高的性价比，因为它集成了 10 年免维护电池、85 dB 报警器、电化学传感器以及数字 LCD，可实时显示 CO 浓度、温度和湿度读数。
- **附加来源:** [^5], [^6]

### Kidde 4MCO Hardwired CO Alarm
```yaml
product: kidde-4mco-hardwired-co-alarm
brand: Kidde
price_gbp: 35.84
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
dimensions: 5.79 x 5.79 x 1.65 in
```

- **价格:** £35.84 [^7]
- **概述:** The Kidde 4MCO is a hardwired 230V carbon monoxide alarm with an electrochemical sensor and rechargeable lithium battery backup. It is suited to homes, workplaces, and interconnected alarm systems requiring continued operation during mains power failures.
- **最适合:** 对于希望购买硬接线报警器，并具备可充电备用电池、电化学一氧化碳检测、七年报警器使用寿命以及可与其他兼容 Kidde 报警器互联功能的用户来说，它在 100 美元以下具有较高性价比。

### First Alert CO400 CO Detector Alarm
```yaml
product: first-alert-co400-co-detector-alarm
brand: First Alert
price_gbp: 16.15
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
dimensions: 3.4 x 1.4 x 4.9 in
battery_life: 5
display_type: No display
digital_display: false
alarm_sound_level: 85
```

- **价格:** £16.15 [^8]
- **概述:** The First Alert CO400 is a battery-operated carbon monoxide alarm with an electrochemical sensor, single-button testing and silencing, an 85 dB alarm, and an end-of-life timer. It suits homes, apartments, RVs, and other spaces needing affordable basic CO protection without a digital readout.
- **最适合:** 凭借5年电池寿命、响亮的85 dB警报声、电化学传感器和较低的购买价格，它在100美元以内具有很高的性价比，但不配备数字显示屏。
- **附加来源:** [^9]

---
## 参考来源
[^1]: FireAngel, 访问日期 2026-09-13. https://www.fireangel.co.uk/products/fa3322-carbon-monoxide-alarm/
[^2]: Fire Detection Shop, 访问日期 2026-09-13. https://www.firedetectionshop.co.uk/products/fireangel-fa3322-10-year-battery-carbon-monoxide-alarm-w-digital-display
[^3]: Desertcart UK, 访问日期 2026-09-13. https://www.desertcart.co.uk/products/494129437-fireangel-fa3322-digital-co-alarm-with-10-year-sealed-life
[^4]: Safe Fire Direct, 访问日期 2026-09-13. https://www.safefiredirect.co.uk/kidde-5co-battery-powered-carbon-monoxide-alarm.aspx
[^5]: Toolstation, 访问日期 2026-09-13. https://www.toolstation.com/fireangel-10-year-digital-carbon-monoxide-alarm-sealed-for-life-battery/p97377
[^6]: Safe Fire Direct, 访问日期 2026-09-13. https://www.safefiredirect.co.uk/fireangel-fa3322-10-year-digital-display-carbon-monoxide-alarm.aspx
[^7]: Safe Fire Direct, 访问日期 2026-09-13. https://www.safefiredirect.co.uk/kidde-k4mco-mains-powered-carbon-monoxide-alarm.aspx
[^8]: First Alert Store, 访问日期 2026-09-13. https://www.firstalertstore.com/store/products/co400-basic-battery-operated-carbon-monoxide-alarm.htm
[^9]: The Home Depot, 访问日期 2026-09-13. https://www.homedepot.com/p/First-Alert-Battery-Powered-Carbon-Monoxide-Alarm-CO400/202433876