1. Producte acabatview
The KERUI SJ1 is an independent smart anti-theft alarm system designed for outdoor use. It functions as a solar-powered, waterproof wireless siren, providing both light and sound alerts. This system is capable of connecting up to 20 remote controls and 40 various detectors, offering comprehensive security for homes, hotels, apartments, shops, sheds, villas, and business offices.
Les característiques clau inclouen:
- Independent Smart Anti-Theft System: Operates autonomously or integrates with existing KERUI alarm panels.
- Sirena d'alt decibel: Emits a powerful 110dB alarm sound to deter intruders.
- Llum estroboscòpica: Features a blue flashing light for visual deterrence during an alarm.
- Fonts d'alimentació duals: Equipped with a built-in rechargeable battery and an external DC power adapter.
- Càrrega solar: Integrated solar panels automatically charge the battery, reducing energy costs.
- Disseny impermeable: Suitable for outdoor installation, resistant to rain and sun exposure.
- Sistema ampliable: Supports connection with up to 20 remote controls and 40 detectors (e.g., infrared detectors, door magnets, emergency buttons).

2. Contingut del paquet
Si us plau, comproveu el contingut del paquet en rebre'l per assegurar-vos que tots els articles hi són i no estan danyats:
- 1 x KERUI SJ1 Solar Outdoor Strobe Wireless Siren
- 1 x EU Power Adapter
- 1 x Manual d'usuari (aquest document)
3. Components del producte
Familiarize yourself with the main components of the KERUI SJ1 siren:

- Panell solar: Located on the top, for charging the internal battery.
- Llum d'alerta: Blue strobe light on the front, flashes during an alarm.
- Siren Speakers: Two speakers on the back for emitting alarm sounds.
- Interruptor de bateria: Controls the internal battery power.
- Interruptor d'alimentació: Main power control for the device.
- Volume / Set Button: Adjusts alarm volume and used for system settings.
- Alarm Music / Alarm Time: Settings for alarm tone and duration.
- Terminal for Wired Accessories: Connection points for wired detectors or accessories.
- Anti-Tamper Button: Triggers an alarm if the siren is forcibly removed from its mounting location.
4. Especificacions
| Paràmetre | Valor |
|---|---|
| Model | SJ1 |
| Color | Blau, Blanc |
| Potència de l'alarma | 110dB (8-level adjustable) |
| Freqüència sense fil | 433 MHz |
| Interval de recepció sense fil | Fins a 100 m (espai obert) |
| Max Alarm Duration | 5 minuts |
| Corrent d'espera | <8 mA |
| Corrent d'alarma | <1000 mA |
| Font d'alimentació | Built-in 3.7V 2200mAh rechargeable battery, External 5V DC adapter, Solar charging |
| Temperatura de treball | -20 ℃ a 50 ℃ (-4 ℉ a 122 ℉) |
| Humitat relativa | <80% (sense condensació) |
| Dimensions (aprox.) | 200mm (W) x 300mm (H) x 30mm (D) - Refer to Figure 3 for detailed dimensions. |
| UPC / GTIN | 736364250750 |
| ASIN | B07SKTW99B |

5. Configuració
5.1 Powering the Siren
The KERUI SJ1 siren offers flexible power options to ensure continuous operation:
- Bateria interna recarregable: The siren comes with a built-in 3.7V 2200mAh rechargeable battery. Ensure the battery switch on the back of the unit is in the 'ON' position.
- Càrrega solar: The integrated solar panel automatically charges the internal battery when exposed to sunlight. This is the primary method for maintaining battery charge in outdoor installations.
- External DC Power Adapter: For initial charging or in environments with insufficient sunlight, connect the provided 5V DC power adapter to the siren's power input.

5.2 Ubicació d'instal·lació
The KERUI SJ1 siren is designed for both indoor and outdoor installation. For optimal performance, especially for solar charging, consider the following:
- Instal·lació exterior: Mount the siren in a location that receives direct sunlight for a significant portion of the day. This ensures the solar panel can effectively charge the battery. The siren is waterproof and designed to withstand rain and sun exposure.
- Alçada de muntatge: Install the siren at a height that is difficult for intruders to reach but still allows the sound to propagate effectively.
- Visibilitat: Position the siren where its flashing blue light is clearly visible during an alarm.

Use appropriate screws and wall plugs (not included) to securely mount the siren to a wall or suitable surface. Ensure the anti-tamper button on the back is pressed against the mounting surface when installed to prevent unauthorized removal.
6. Instruccions de funcionament
6.1 Pairing with Detectors and Remote Controls
The KERUI SJ1 siren can be paired wirelessly with up to 20 remote controls and 40 various detectors (e.g., infrared detectors, door/window magnets, emergency buttons). Refer to the specific instructions for your KERUI alarm panel or individual detectors for detailed pairing procedures. Generally, the process involves putting the siren into a learning mode and then triggering the detector or pressing a button on the remote control.


6.2 Alarm Activation and Sound
When a paired detector is triggered, the KERUI SJ1 siren will activate:
- The blue strobe light will flash rapidly.
- The siren will emit a loud 110dB alarm sound.
- The alarm duration can be set up to 5 minutes.
6.3 Ajust de volum
The alarm loudness is adjustable to 8 different levels. Use the "Volume / Set" button on the back of the siren to cycle through the volume settings. Refer to the detailed instructions in the full user manual for precise adjustment steps.
7. Manteniment
- Neteja de panells solars: Netegeu periòdicament la superfície del panell solar amb un drap suau iamp cloth to ensure maximum charging efficiency. Avoid abrasive cleaners.
- Salut de la bateria: The internal rechargeable battery is designed for long-term use. If the siren frequently runs out of power despite adequate sunlight, the battery may need replacement. Contact customer support for assistance.
- Neteja general: Wipe the siren's exterior with a soft, dry cloth. Do not use harsh chemicals or solvents.
- Actualitzacions de firmware: Check the KERUI official website or contact customer support for any available firmware updates that might improve performance or add features.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Siren does not activate or is weak. | Low battery, power switch off, siren not paired, detector malfunction. | Ensure power switch is ON. Charge battery via solar panel (ensure direct sunlight) or external adapter. Verify siren is correctly paired with detectors. Check detector functionality. |
| Siren sounds continuously or without reason. | Anti-tamper button not fully pressed, faulty detector, interference. | Ensure siren is securely mounted and anti-tamper button is engaged. Check all paired detectors for false alarms. Temporarily unpair detectors to isolate the issue. |
| Solar charging is ineffective. | Insufficient sunlight, dirty solar panel, faulty solar panel. | Relocate siren to an area with more direct sunlight. Clean the solar panel surface. If problem persists, use the external power adapter or contact support. |
| Cannot pair with new detectors/remotes. | Siren not in learning mode, incorrect pairing procedure, maximum devices reached. | Refer to the pairing section of the manual for correct steps. Ensure the siren is in learning mode. Verify you have not exceeded the maximum of 20 remotes and 40 detectors. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact KERUI customer support for further assistance.
9. Garantia i Suport
KERUI provides the following support for the SJ1 Solar Wireless Siren:
- Garantia: A 12-month warranty is provided from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
- Suport tècnic: Hi ha assistència tècnica gratuïta de per vida disponible per a tots els productes KERUI.
- Atenció al client: Friendly customer service is available within 24 hours for any inquiries or issues.
For warranty claims, technical assistance, or general inquiries, please visit the official KERUI store on Amazon or contact us directly via Amazon's messaging system. Please have your product model (SJ1) and purchase details ready when contacting support.