1. Produktüberschreitungview
The HAKINAKU 4IN1 Plug-in Smoke & Carbon Monoxide Detector is a versatile safety device designed for comprehensive environmental monitoring. It integrates four essential sensors: carbon monoxide (CO), smoke, temperature, and humidity, providing real-time data for enhanced home safety.
- 4-in-1-Erkennung: Monitors carbon monoxide, smoke, temperature, and humidity simultaneously.
- Plug-in-Design: Kompatibel mit US-amerikanischen 110 V bis 220 V Wechselstromtage, fitting standard outlets.
- Backup-Batterie: Features a built-in 2000 mAh lithium-ion battery for up to 120 hours of operation during power outages ermöglicht auch die mobile Nutzung.
- HD-Bildschirm: A 2.1-inch high-definition screen displays real-time data with large, easy-to-read icons.
- Hörbarer Alarm: Equipped with an 85 dB alarm for immediate alerts.
- Hochpräzise Sensoren: Utilizes independent smoke and CO sensors, including high precision electrochemical and photoelectric sensors for sensitive and stable detection.

Image: The HAKINAKU 4IN1 detector showing real-time readings for CO (PPM), Gas, Smoke, Temperature (Fahrenheit), and Humidity (%).
2. Einrichtung und Installation
2.1 Erstaufladung
Before first use, it is recommended to fully charge the device. The built-in 2000 mAh lithium-ion backup battery provides extended operation, but a full charge ensures readiness.
2.2 Platzierungsoptionen
The detector offers flexible placement:
- Direktes Plug-in: Insert the device directly into any standard US 110V to 220V AC outlet. This is ideal for continuous monitoring in bedrooms, kitchens, living rooms, basements, or hotel rooms.
- Magnetische Befestigung: The device includes a removable plug that can be replaced with a magnetic attachment. This allows the detector to be mounted on metal surfaces, such as a refrigerator, for portable use or when an outlet is not desired.
- Verwendung des Schlüsselbands: A lanyard is included for easy portability, allowing the device to be hung or carried.

Image: The detector highlighting its plug-in design and the 2000mAh high battery capacity for long-lasting endurance.
Video: A demonstration of the HD11-CS Plug-in 4-in-1 CO & Smoke Detector combination, showing its features and how it functions when plugged into an outlet.
3. Bedienungsanleitung
3.1 Ein-/Ausschalten
Press and hold the power button (usually the central button) to turn the device on or off. The HD screen will illuminate upon activation.
3.2 Ablesen des Displays
The 2.1-inch HD screen provides real-time environmental data:
- CO-PPM: Displays carbon monoxide levels in parts per million.
- Rauch: An indicating bar or icon shows smoke detection status.
- Gas: An icon indicates gas detection status.
- Temperatur: Shows the ambient temperature in Fahrenheit or Celsius (user selectable).
- Luftfeuchtigkeit: Zeigt die relative Luftfeuchtigkeit in Prozent an.tage.
- Batterieanzeige: Zeigt den aktuellen Batteriestand an.
- Alarmstatus: Icons indicate if an alarm is active for CO, smoke, or gas.

Image: Close-up of the HD screen, emphasizing its wide perspective and 240x296 resolving power for clear data display.
3.3 Einstellungen anpassen
- Bildschirmhelligkeit: Use the dedicated button (often labeled with a lightbulb icon) to cycle through brightness levels or turn the screen off.
- Alarmton: Use the dedicated button (often labeled with a speaker icon) to turn the audible alarm on or off.
- Selbsttest: A quick press of the power button may initiate a self-test function, triggering the alarm briefly to confirm functionality.

Image: The detector displaying an elevated CO level (350 PPM) and smoke, indicating an active sound and light alarm to prevent danger.
4. Wartung
4.1 Reinigung
Regularly wipe the exterior of the detector with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the metal mesh air ducts are free from dust and debris to maintain accurate detection.

Image: Illustration of the detector's metal mesh air duct design, crucial for accurate gas and smoke detection.
4.2 Batteriepflege
The device contains a built-in rechargeable lithium-ion battery. For optimal performance, ensure the battery is charged regularly, especially if using the device in portable mode without continuous AC power. The battery indicator on the HD screen will show the current charge level.
5. Fehlerbehebung
- Gerät lässt sich nicht einschalten: Ensure the device is fully charged or plugged into a working AC outlet.
- Ungenaue Messwerte: Check that the air ducts are clear of obstructions. Ensure the device is placed in an appropriate location, away from direct drafts or extreme temperatures.
- Alarmstörung: Perform a self-test to verify the alarm functionality. If the issue persists, contact customer support.
- Falscher Alarm: Ensure the device is not exposed to sources of smoke, gas, or high humidity that could trigger a false alarm.
Weitere Unterstützung finden Sie in den Kontaktinformationen im Support-Bereich.
6. Spezifikationen
| Marke | HAKINAKU |
| Modellnummer | HD11 |
| Stil | Plug-in Alarm with Battery Backup |
| Stromquelle | AC + Battery |
| Akku-Typ | 1 Lithium-Ionen (im Lieferumfang enthalten) |
| Batteriekapazität | 2000 mAh (up to 120h working time) |
| Farbe | Black [CO+SMOKE] |
| Technische Daten | 4.6"T x 1.1"B x 2.7"H |
| Artikelgewicht | 0.44 Pfund (ca. 7 Unzen) |
| Alarmtyp | Hörbar (85 dB) |
| Sensortypen | Independent Smoke Sensor, CO Sensor (High precision electrochemical and photoelectric sensors) |
| Material | ABS |
| Wastage | 5 Watt |
| Nutzungsumgebung | Innenbereich |
| Im Lieferumfang enthaltene Komponenten | Manual, Smoke & CO Detector |
7. Garantieinformationen
This HAKINAKU product comes with a 5-Year Free Exchange warranty for any quality issues. Please retain your proof of purchase for warranty claims.
8. Kundendienst
For technical support, troubleshooting assistance, or warranty inquiries, please contact HAKINAKU customer service. Refer to the contact details provided in your product packaging or visit the official HAKINAKU store on Amazon.
HAKINAKU Store: Visit the HAKINAKU Store





