ആമുഖം
Thank you for choosing the Strex Wireless Doorbell System. This manual provides essential information for the safe and efficient operation of your new doorbell. The system includes one transmitter (doorbell button) and two receivers, offering a reliable range of up to 300 meters, 58 selectable melodies, and 4 adjustable volume levels. Its IP55 waterproof rating ensures durability for both indoor and outdoor use.
ഇൻസ്റ്റാൾ ചെയ്യുന്നതിനും ഉപയോഗിക്കുന്നതിനും മുമ്പ് ദയവായി ഈ മാനുവൽ നന്നായി വായിക്കുക, ഭാവിയിലെ റഫറൻസിനായി സൂക്ഷിക്കുക.

Image: The Strex Wireless Doorbell system featuring a modern design with LED indicators on both the receiver and transmitter.
പാക്കേജ് ഉള്ളടക്കം
Carefully unpack your Strex Wireless Doorbell System and ensure all items are present and in good condition. If any items are missing or damaged, please contact customer support.
- 1x Doorbell Transmitter (Button)
- 2x Doorbell Receivers (Battery Operated)
- 1x ഉപയോക്തൃ മാനുവൽ
- 1x Mounting Material (Screws and Wall Plugs)
- 1x പശ സ്ട്രിപ്പ്
- 1x 12V 23A Battery (pre-installed in transmitter)

Image: A visual representation of the items included in the box: one doorbell transmitter, two receivers, mounting accessories, and the user manual.
സജ്ജമാക്കുക
1. ബാറ്ററി ഇൻസ്റ്റലേഷൻ (ട്രാൻസ്മിറ്റർ)
The doorbell transmitter comes with a pre-installed 12V 23A battery. This battery has an estimated lifespan of 3 years. If replacement is needed, follow these steps:
- Gently open the housing of the transmitter.
- പഴയ ബാറ്ററി നീക്കം ചെയ്യുക.
- Insert a new 12V 23A battery, ensuring correct polarity.
- ഭവനം സുരക്ഷിതമായി അടയ്ക്കുക.
2. റിസീവർ പ്ലേസ്മെന്റ്
The receivers are battery-operated, allowing flexible placement. Choose a location where the chime can be clearly heard throughout your desired area. Ensure the receivers are within the 300-meter range of the transmitter, though environmental factors like thick walls may reduce this range.

Image: An illustration demonstrating the 300-meter range of the Strex Wireless Doorbell system, covering a large property including a house and garden.

Image: A diagram showing the doorbell's signal effectively penetrating common building materials such as concrete, brick, wood, and insulation, ensuring reliable operation indoors.
3. ട്രാൻസ്മിറ്റർ മൌണ്ട് ചെയ്യുന്നു
You have two options for mounting the doorbell transmitter:
- പശ സ്ട്രിപ്പ്: Clean the desired surface thoroughly. Peel off the protective film from the adhesive strip and firmly press the transmitter onto the surface for at least 30 seconds.
- സ്ക്രൂകൾ: Use the provided screws and wall plugs to securely attach the transmitter to a wall. Mark the desired drilling points, drill holes, insert wall plugs, and then screw the transmitter into place.

Image: Detailed instructions illustrating two mounting methods for the doorbell transmitter (adhesive strip and screws) and the process for replacing the battery.
പ്രവർത്തന നിർദ്ദേശങ്ങൾ
1. മാറ്റുന്ന ഈണങ്ങൾ
Your Strex Wireless Doorbell offers 58 different melodies. To change the melody:
- Press the 'Melody Selection' button on the receiver (usually a music note icon or similar) to cycle through the available tunes.
- Once you hear a melody you like, stop pressing the button. The receiver will save this selection.
2. വോളിയം ക്രമീകരിക്കുന്നു
The receivers feature 4 adjustable volume levels, ranging from 25dB to 115dB. To adjust the volume:
- Press the 'Volume Control' button on the receiver (usually a speaker icon or similar) to cycle through the volume levels.
- ആവശ്യമുള്ള വോളിയം ലെവൽ തിരഞ്ഞെടുക്കുക.

Image: A close-up of the doorbell receiver illustrating five different volume levels, ranging from 0dB (mute) to 110dB, suitable for various environments from quiet bedrooms to noisy offices.
3. Linking Multiple Units
The Strex Wireless Doorbell systems are designed to be linkable. This means you can expand your system by adding more transmitters or receivers. For example, you can have two doorbell buttons linked to four receivers, or one button linked to four receivers. Refer to the specific pairing instructions if you purchase additional units, as the initial set is typically pre-paired.
മെയിൻ്റനൻസ്
1. ബാറ്ററി മാറ്റിസ്ഥാപിക്കൽ
ട്രാൻസ്മിറ്റർ: The 12V 23A battery in the transmitter has a lifespan of approximately 3 years. When the doorbell button no longer activates the receivers, or the LED indicator on the transmitter does not light up, it's time to replace the battery. Follow the steps outlined in the 'Setup' section for battery installation.
സ്വീകർത്താക്കൾ: The receivers are also battery-operated. When the chime becomes faint or stops working, replace the batteries in the receivers. The specific battery type for the receivers is not detailed in the product information, please check the battery compartment for the correct type (e.g., AA or AAA batteries).
2. വൃത്തിയാക്കൽ
To maintain the appearance and functionality of your doorbell system, clean it regularly with a soft, dry cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface and internal components. For the transmitter, which is IP55 waterproof, you may use a slightly damp cloth, but ensure no water enters the battery compartment.
ട്രബിൾഷൂട്ടിംഗ്
- Doorbell not ringing:
- Check if the batteries in both the transmitter and receivers are correctly installed and not depleted. Replace if necessary.
- Ensure the receivers are within the operational range of the transmitter.
- Verify that the receiver's volume is not set to mute (0dB).
- If the units were previously paired and stopped working, try re-pairing them according to the instructions (if applicable, usually by holding a button on the receiver while pressing the transmitter).
- Shortened range:
- Thick walls, metal structures, or other electronic devices can interfere with the signal. Try repositioning the receivers.
- Low battery levels can also reduce the range. Replace batteries if needed.
- Interference from other devices:
- The system uses a disturbance-free digital signal, but in rare cases, strong electromagnetic interference might occur. Try moving the receivers away from other electronic devices.
സ്പെസിഫിക്കേഷനുകൾ
| മോഡൽ നമ്പർ | SP221 |
| ബ്രാൻഡ് | സ്ട്രെക്സ് |
| വയർലെസ് ശ്രേണി | 300 മീറ്റർ വരെ (തുറന്ന സ്ഥലം) |
| വാട്ടർപ്രൂഫ് റേറ്റിംഗ് | IP55 (Transmitter) |
| മെലഡികൾ | തിരഞ്ഞെടുക്കാവുന്ന 58 ട്യൂണുകൾ |
| വോളിയം ലെവലുകൾ | 4 ലെവലുകൾ (25dB - 115dB) |
| ട്രാൻസ്മിറ്റർ ബാറ്ററി | 1x 12V 23A (approx. 3-year lifespan) |
| റിസീവർ പവർ | Battery operated (type not specified, check compartment) |
| പ്രവർത്തന താപനില | -20°C മുതൽ 60°C വരെ |
| ട്രാൻസ്മിറ്റർ അളവുകൾ | 8.5 x 2.5 x 1.5 സെ.മീ |
| റിസീവർ അളവുകൾ | 8 x 8 x 7 സെ.മീ |
| ഭാരം | 150 g (total product) |

ചിത്രം: ഒരു ഓവർview of the Strex Wireless Doorbell Set, emphasizing its main features such as IP55 waterproofing, 300-meter range, 58 melodies, LED indication, Plug & Play functionality, and 5 volume levels.

Image: The doorbell transmitter, highlighting its IP55 waterproof rating and ability to operate in temperatures ranging from -20°C to 60°C, suitable for all weather conditions.
വാറൻ്റിയും പിന്തുണയും
Strex products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included with your purchase or visit the official Strex website. If you encounter any issues or have questions regarding your Strex Wireless Doorbell System, please contact Strex customer support for assistance. Our team is dedicated to providing prompt and helpful solutions.





