1. Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Do not expose the receiver to water or extreme humidity.
- Keep the push button away from direct sunlight for prolonged periods to ensure optimal battery life.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Ensure the receiver is plugged into a standard 110V AC outlet.
2. Package Contents
Verify that all items are present in your package:
- 2 x Plug-in Receivers
- 1 x Push Button Transmitter
- 1 x Door Sign
- 1 x 12V23A Battery (pre-installed in transmitter)
- 1 x Screwdriver
- 4 x Dowels
- 2 x Double-sided Adhesive Tape
- 1 x Instruction Manual
3. Product Overview
The SURFOU Wireless Doorbell Kit N128 provides a reliable and customizable solution for your home or office. Featuring a 1300ft wireless range, 55 chimes, and adjustable volume, it ensures you never miss a visitor.
4. Setup & Installation
4.1. Transmitter Installation
The push button transmitter can be installed using either the provided adhesive tape or screws.
- Clean the desired mounting surface thoroughly to ensure proper adhesion.
- Using Adhesive Tape: Peel off one side of the double-sided adhesive tape and attach it to the back of the transmitter. Peel off the other side and firmly press the transmitter onto the desired location on your wall or door frame for at least 30 seconds.
- Using Screws: Open the back cover of the transmitter (refer to Section 6.1 for battery replacement instructions, as this involves opening the cover). Mark the screw holes on the wall. Drill pilot holes, insert the dowels, and then secure the transmitter with the provided screws. Close the back cover.
4.2. Receiver Placement
Simply plug the receiver into any standard electrical outlet within the wireless range of the transmitter. For optimal performance, avoid placing receivers near large metal objects or thick walls that may interfere with the signal.
5. Operating Instructions
5.1. Changing Ringtones
To select your preferred ringtone:
- Press the 'Up' or 'Down' button on the side of the receiver to cycle through the 55 available melodies.
- Once you hear a melody you like, stop pressing the buttons. The receiver will automatically save this selection.
This video demonstrates how to change the ringtone and re-pair the SURFOU wireless doorbell receiver with the transmitter.
5.2. Adjusting Volume
Press the 'Volume' button on the side of the receiver to cycle through the 5 adjustable volume levels (0dB to 110dB).
5.3. Pairing Additional Devices (or Re-pairing)
If you need to pair an additional transmitter or re-pair an existing one:
- Long press the 'Volume' button on the receiver for approximately 8 seconds until it emits a 'ding' sound and the LED flashes. This indicates it's in learning mode.
- Quickly press the push button transmitter within 8 seconds. The receiver will emit two 'ding' sounds and the LED will flash, confirming successful pairing.
- The learning mode will automatically exit after 8 seconds if no transmitter is pressed.
5.4. Working Modes
The receiver supports two working modes:
- LED and Ringtone: The receiver will play the selected melody and flash its LED light when the push button is pressed.
- LED Only (Silent Mode): The receiver will only flash its LED light without an audible chime. This is useful for quiet environments or for individuals with hearing impairments.
6. Maintenance
6.1. Battery Replacement (Transmitter)
The push button transmitter uses a 12V23A battery. When the LED indicator on the transmitter no longer lights up or the range decreases significantly, it's time to replace the battery.
- Use the provided mini screwdriver to gently pry open the back cover of the transmitter. Insert the screwdriver at a 45-degree angle into the bottom slot and carefully lift the cover.
- Remove the old battery.
- Insert a new 12V23A battery, ensuring correct polarity (negative contact spring).
- Snap the back cover firmly into place.
Watch this video for a step-by-step guide on how to safely replace the battery in your SURFOU wireless doorbell transmitter.
6.2. Cleaning
Wipe the doorbell units with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these may damage the finish or internal components.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Receiver does not ring. | Receiver unplugged or power outage. Transmitter battery low or dead. Units out of range or signal interference. Receiver in silent mode. | Ensure receiver is plugged in and powered. Replace transmitter battery (see Section 6.1). Move receiver closer to transmitter; avoid metal objects. Adjust volume (see Section 5.2) or change working mode. |
| Short range or intermittent ringing. | Obstructions (thick walls, metal). Low transmitter battery. Interference from other wireless devices. | Relocate receiver or transmitter. Replace transmitter battery. Move other wireless devices away from the doorbell. |
| Receiver rings unexpectedly. | Interference from another doorbell system. | Re-pair the transmitter and receiver (see Section 5.3). |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | N128 |
| Wireless Range | Up to 1300ft (400m) in open areas |
| Chimes | 55 selectable melodies |
| Volume Levels | 5 levels (0dB to 110dB) |
| Waterproof Rating (Transmitter) | IP55 |
| Operating Temperature | -22°F to 158°F (-30°C to 70°C) |
| Power Source (Receiver) | AC 110V |
| Power Source (Transmitter) | 1 x 12V23A Alkaline Battery |
| Average Battery Life (Transmitter) | 3 years |
| Material | ABS |
| Dimensions (Transmitter) | 3.39 x 1.38 x 0.79 inches |
| Dimensions (Receiver) | 2.75 x 2.75 x 0.79 inches |
| Item Weight | 7.8 ounces |
9. Warranty Information
SURFOU products are designed and manufactured to the highest quality standards. This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. Please retain your proof of purchase for warranty claims. For specific warranty terms and conditions, refer to the product packaging or contact customer support.
10. Customer Support
If you have any questions, require technical assistance, or need to report an issue with your SURFOU Wireless Doorbell Kit, please contact our customer support team. You can typically find contact information on the product packaging or through the retailer where you purchased the item.