1. Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of your SURFOU Wireless Doorbell Set. Please read this manual thoroughly before use to ensure proper function and longevity of the product. Keep this manual for future reference.
2. Producte acabatview
The SURFOU Wireless Doorbell Set (Model N82K) offers a reliable and convenient solution for your home or office. Key features include:
- Abast sense fil ultrallarg: Operates up to 1300 feet (400 meters) in open areas, ensuring you never miss a visitor.
- Resistent i impermeable: The doorbell button is IP55 dustproof and waterproof, designed to withstand harsh weather conditions from -4°F to 140°F (-20°C to 60°C).
- Campanes personalitzables: Choose from 55 diverse melodies and 5 adjustable volume levels (0dB to 110dB). Includes a silent mode with LED flash for quiet environments or individuals with hearing impairments.
- Instal·lació sense esforç: No wiring required. Transmitters can be mounted with included adhesive tapes or screws, and receivers simply plug into a standard outlet.
- Expandable & Smart Memory: The system remembers your last set melody and volume even after a power outage. Easily expand your system by adding more SURFOU receivers or buttons.

Image: Illustration of the doorbell's 1300ft / 400m ultra-long wireless range coverage.

Image: The doorbell button is IP55 dustproof and waterproof, suitable for various weather conditions.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- 2 × Transmitter (Push Button) with battery included
- 2 × Receptor endollable
- 2 × Door Sign
- 3 × cinta adhesiva
- 2 × Screwdriver Kit
- 1 × Manual d'usuari (aquest document)
4. Configuració i instal·lació
4.1 Instal·lació del transmissor (botó)
Trieu una ubicació adequada per al transmissor, com ara a prop de la porta principal. Assegureu-vos que la superfície estigui neta i seca.
- Ús de cinta adhesiva:
- Netegeu bé la zona de muntatge.
- Peel off one side of the adhesive tape and attach it to the back of the transmitter.
- Peel off the other side of the tape and firmly press the transmitter onto the desired surface for 30 seconds.
- Ús de cargols:
- Open the back cover of the transmitter using the provided screwdriver.
- Marqueu els forats dels cargols a la paret.
- Perforeu forats i inseriu ancoratges de paret si cal.
- Secure the back cover to the wall with screws.
- Reattach the transmitter to its back cover.
4.2 Instal·lació del receptor
Plug the receiver into a standard electrical outlet in a location where the chime can be easily heard. For optimal range, avoid placing the receiver near large metal objects or thick walls.

Image: Installation instructions for the transmitter using adhesive tape or screws.

Image: The plug-in receiver features 55 melodies, LED indication, memory function, and 5 volume levels.
5. Instruccions de funcionament
5.1 Changing Volume Levels
The receiver has 5 adjustable volume levels, ranging from 0dB (silent with LED flash) to 110dB. To adjust the volume:
- Locate the volume button on the side of the receiver.
- Press the volume button repeatedly to cycle through the 5 volume levels until your desired level is reached.
5.2 Canvi de melodies
El receptor ofereix 55 melodies diferents. Per canviar la melodia:
- Locate the melody selection button on the side of the receiver.
- Press the melody selection button repeatedly to cycle through the available tunes.
- Once you hear a melody you like, stop pressing the button. The receiver will save this selection automatically.
5.3 Silent Mode (LED Flash Only)
To activate silent mode, press the volume button until the volume reaches 0dB. In this mode, the receiver will only flash its LED indicator when the doorbell button is pressed, providing a visual alert without sound. This is ideal for sleeping babies or individuals with hearing impairments.
Video: Demonstrates how to change the volume and melodies on the SURFOU Wireless Doorbell receiver.
6. Manteniment
6.1 Battery Replacement (Transmitter)
The transmitters are powered by 12V batteries (included). If the transmitter stops working or the signal weakens, it may be time to replace the battery.
- Open the back cover of the transmitter using the provided screwdriver.
- Traieu amb cura la bateria antiga.
- Introduïu una pila nova de 12 V, assegurant-vos de la polaritat correcta.
- Tanqueu la coberta posterior de manera segura.

Image: The transmitter battery offers an ultra-long service life of 1-3 years, reducing the need for frequent changes.
6.2 Neteja
Wipe the doorbell units with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the surface or internal components.
6.3 Consideracions ambientals
While the transmitter is waterproof, prolonged submersion or exposure to extreme conditions beyond the specified temperature range (-4°F to 140°F) may affect its performance. Ensure the receiver is kept indoors and away from moisture.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Receiver does not chime. | Receiver unplugged or power outage. Volume set to 0dB (silent mode). La bateria del transmissor està baixa o morta. Distance between transmitter and receiver is too far or obstructed. | Ensure receiver is plugged in and powered. Augmenta el nivell de volum. Substituïu la bateria del transmissor. Relocate receiver closer to transmitter or remove obstructions. |
| Doorbell range is reduced. | Interferències d'altres dispositius sense fil. Thick walls or metal objects obstructing signal. Bateria baixa del transmissor. | Allunyeu el receptor d'altres aparells electrònics. Adjust placement of units to minimize obstructions. Substituïu la bateria del transmissor. |
| El timbre de la porta sona inesperadament. | Interference from nearby devices. Accidental button press. | Try changing the melody to reset the signal. Ensure the button is not being pressed inadvertently. |
8. Especificacions
- Número de model: N82K
- Marca: SURFOU
- Interval sense fil: Fins a 400 m (zona oberta)
- Melodies: 55 opcions
- Nivells de volum: 5 levels (0dB - 110dB)
- Classificació d'impermeabilitat (transmissor): IP55
- Temperatura de funcionament: -4 °F a 140 °F (-20 °C a 60 °C)
- Power Source (Receiver): CA 120 volts
- Power Source (Transmitter): 2 piles alcalines de 12V (incloses)
- Material: ABS
- Dimensions del producte: 4 x 3 x 3.7 inches (overall package dimensions, individual unit dimensions are smaller)
- Pes de l'article: 9 unces

Image: Dimensions of the mini-sized, space-saving doorbell receiver and transmitter.
9. Garantia i Suport
Your SURFOU Wireless Doorbell Set is covered by a standard return policy. For specific warranty details, returns, or technical support, please refer to the purchase platform or contact SURFOU customer service directly. Keep your purchase receipt for warranty claims.