Protect what matters most with the HAKINAKU 4-in-1 CO & Smoke Detector, designed to monitor carbon monoxide, smoke, temperature, and humidity in real time. Featuring a clear 2.1” HD display, loud 85dB alarm, plug-and-play setup, and a built-in 2000mAh rechargeable backup battery for up to 120 hours of protection during power outages, it delivers reliable, around-the-clock safety for your home and family.
Hakol 4-In-1 2000mAh Smoke & Carbon Monoxide Detector
Features
- The HAKINAKU 4-in-1 detector integrates carbon monoxide, smoke, temperature, and humidity sensors to monitor your indoor air quality and safety in real time
- Designed with a US standard plug compatible with 110V–220V outlets, it works instantly when plugged into bedrooms, kitchens, living rooms, basements, or hotel rooms
- A built-in rechargeable lithium battery provides up to 120 hours of backup power during outages while saving on costly disposable battery replacements
- The clear HD screen shows real-time data including CO levels (ppm), smoke indicator bar, humidity, temperature, alarm status, and warning icons for quick and easy reading
- Featuring independent smoke and CO sensors with a loud 85dB alarm, this detector continuously safeguards your home environment for added peace of mind
Specifications
| Detection Functions | Carbon monoxide (CO), Smoke, Temperature, Humidity |
| Sensor Type | Independent CO Sensor and Smoke Sensor |
| Display | 2.1-Inch HD Digital Screen |
| Power Supply | Plug-In AC Power (110V–220V) |
| Backup Battery | Built-in 2000mAh Rechargeable Lithium Battery |
| Backup Working Time | Up to 120 hours |
| Alarm Volume | 85 dB |
What’s included?
- 1x Hakol 4-In-1 2000mAh Smoke & Carbon Monoxide Detector
Warranty
Estimated Delivery Date
Monday, Mar 9 - Wednesday, Mar 11








