1. Producte acabatview
The KERUI ZD280 is an ultra-slim, high-sensitivity wireless vibration alarm sensor designed to enhance the security of your home, windows, doors, bikes, bags, and other valuables. It features a 120dB loud alarm and vibration induction technology to detect unauthorized movement or tamperrant.
Key features include vibration induction, ease of operation, smart and portable design, and a high-pitched alarm.

2. Configuració i instal·lació
Before using your KERUI ZD280 vibration alarm, please ensure you have read these instructions carefully.
2.1 Configuració inicial
- The alarm host should be connected to a 2.4GHz Wi-Fi network.
- Ensure your phone's Bluetooth is turned on for initial pairing and setup.
- A siren cannot work independently; it must be used with a remote control and other accessories such as a door sensor or infrared sensor.
2.2 Instal·lació física
The ZD280 is designed for versatile installation. It can be clamped, hung, or hooped for various scenarios.



2.3 Col·locació d'accessoris
The alarm can be secured using a fixed rubber ring or a lanyard for various applications.


3. Instruccions de funcionament
3.1 Power On/Off and Arming
- To activate the alarm, turn the switch to the "ON" position. The red light will illuminate, indicating it's armed.
- To disarm the alarm and disable detection, turn the switch to the "OFF" position.

3.2 Funcionalitat d'alarma
When the product is touched with a certain degree of force, it will immediately trigger an alarm. The alarm will continuously sound for 8 seconds, emitting a strong sound, and the red light will flash.
3.3 Smart Features (with Wi-Fi Host)
- Alertes remotes: Receive immediate message alerts on your phone anywhere, even when you are not at home.
- Zone Modes: Set different zone modes for various scenarios. For example, a smoke sensor can be set to a 24-hour mode. The alarm host will trigger regardless of the Wi-Fi loudspeaker's state if a detector is triggered.
- Custom Naming: All connected accessories and sensors can be custom named for easier identification and management.
- Arm/Disarm Modes: Adjust armed states (e.g., "Armed when going out"). If you don't want the device to work, set it to "Disarmed" (only emergency area devices will work). Switch to "Home mode" when you are at home.
- Programació: Freely set the working time of the alarm. Turn it off when at home and turn it on when away.
- Delay and Duration: Set an entry delay alarm time (1-199 seconds) and an alarm duration (1-4 minutes, adjustable).
3.4 Integració de l'assistent de veu
The KERUI ZD280 is compatible with Google Home and Amazon Alexa. For detailed connection instructions, please refer to the video guide at: https://youtu.be/YS7EyJZ3Nq8
4. Manteniment
4.1 Substitució de la bateria
The device uses a CR2032 button battery. When the alarm's performance degrades or the indicator light becomes dim, it's time to replace the battery. Carefully open the device casing and replace the old battery with a new CR2032 battery, ensuring correct polarity.
4.2 Neteja
Netegeu el dispositiu amb un drap suau i sec. No utilitzeu netejadors líquids ni materials abrasius, ja que poden danyar el dispositiu.
5. Troubleshooting (Q&A)
- Q1: Do I need to order an alarm panel (control center) for this siren?
- A1: No, this siren functions as an alarm system on its own. It can work with wireless sensors to protect your house without a separate control panel.
- Q2: Does this siren system support adding extra sensors or remote controllers? How many?
- A2: Yes! This siren alarm system can work with up to 20 remote controllers + doorbell buttons and up to 30 wireless sensors. Compatible sensors include wireless gas detectors, smoke detectors, CO carbon detectors, door/window sensors, PIR motion detectors, water leakage sensors, vibration sensors, and glass break detectors.
- Q3: Can I control 2 or more sirens using 1 remote controller or more? For example, if I have 6 rooms and want to install 6 sirens and control them all with 2 or more controllers?
- A3: Yes! A single remote controller can be used to control two or more siren systems. Similarly, one sensor can be configured to work with two or more sirens.
6. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | ZD280 (HH-ZD280) |
| Nom de marca | KERUI |
| Origen | Xina continental |
| Certificació | CE |
| Nom del producte | Vibration anti-theft alarm |
| Mida del producte | 43 * 38 * 16 mm |
| Pes del producte | Aprox. 40 g |
| Mètode d'alarma | Vibration + Flashing + Sound |
| Decibels d'alarma | 120 dB |
| Hora d'alarma | 8 seconds (continuous) |
| Tipus de bateria | CR2032 (Two button batteries) |
| Cable d'alimentació | DC 9V1A (included), approx. 92cm/3ft length |
| Entrada de potència | AC 110-240V |
| Freqüència de funcionament sense fil | 433 MHz |
| Operating Environment Stability | 0 ℃ - 55 ℃ |
| Ambient de funcionament Humitat | 40% - 70% Relative Humidity |
| Outer Box Specification | 34 * 25.5 * 15cm (for 100PCS/box batteries) |
7. Garantia i Suport
For warranty information and technical support, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.
AliExpress offers a "Free returns within 90 days" policy and "Fast delivery & get refunds for any issues" for eligible purchases. Please refer to the AliExpress platform for specific terms and conditions regarding these services.





