Product Overview
The CACAZI Self-powered Wireless Doorbell is an innovative, battery-free solution for your home or office. It features a self-generating transmitter that converts kinetic energy into electrical energy with each press, eliminating the need for batteries. The system offers a long transmission distance, multiple ringtone options, and adjustable volume levels, making it a versatile and convenient addition to any space.




Specifications
| Feature | Description |
|---|---|
| Product Brand | CACAZI |
| Model | FA88 (Type 86 Big Button) |
| Power Source (Transmitter) | Self-powered (Battery-Free) |
| Power Source (Receiver) | AC 110-240V, 50-60Hz (Plug-in) |
| Doorbell Type | Wireless |
| Music Options | 60 chord music ringtones |
| Volume Levels | 5 levels (0-110db), adjustable with light reminder |
| Remote Control Distance | 150M (straight line distance on barrier-free ground, factory experiment data) |
| Transmitter Size | 86mm x 86mm x 22mm |
| Receiver Size | 92mm x 62mm x 32mm |
| Working Frequency | 433MHz |
| Certifications | CE, FCC, RoHS |
| Waterproof | Transmitter is waterproof and dustproof |
| Memory Function | Power-off memory for music settings |
| Anti-interference | Digital circuit design prevents crosstalk |


Setup
Package Contents
- Doorbell Receiver(s)
- Doorbell Transmitter(s)
- Double-sided adhesive tape for transmitter
- Mounting screws for transmitter
- "Please ring the doorbell" sticker

Installation Steps
- Receiver Installation:
Plug the receiver directly into a standard electrical outlet (AC110V/220V). Ensure it is securely plugged in to receive power. - Transmitter Installation (Two Methods):
- Adhesive Mounting:
Peel off the protective film from the double-sided adhesive tape and attach it firmly to the back of the transmitter. Then, press the transmitter onto your desired wall location. Press for approximately 30 seconds to ensure a firm adhesion. - Screw Fixing:
Snap open the back cover of the transmitter. Use the provided mounting screws to fix the back case to the wall. Once secured, snap the front cover back onto the transmitter.
- Adhesive Mounting:



Working Principle
The transmitter is installed outside the door. When the button is pressed, it generates a signal. The receiver, installed on a power socket inside, immediately rings and flashes to alert you.

Operating Instructions
Components Overview

- Receiver: Features an indicator light, a music selection key, and a volume adjustment key.
- Transmitter: Features an indicator light and a bell graphic on the button.
Adjusting Volume
The doorbell receiver has 5 adjustable volume levels, ranging from 0db (mute) to 110db (maximum). Use the volume key on the side of the receiver to cycle through the volume settings. The receiver also provides a light reminder when ringing.

Selecting Ringtones
The doorbell offers 60 different music ringtones. To change the ringtone, press the music key on the receiver until you find your preferred melody.

Pairing Transmitter(s) with Receiver(s)
If your doorbell is not working or you are adding new components, you may need to pair them:
- Press and hold the volume button on the receiver for approximately 5 seconds until the indicator light turns on.
- Release the volume button.
- Immediately press the transmitter button. The signal is successfully paired.
Setting Different Ringtones for Multiple Transmitters
If you have multiple transmitters (e.g., for front and back doors) and wish to assign different ringtones to each:
- Plug the receiver into an electrical outlet.
- Press the receiver's music button to select the desired ringtone for the first transmitter.
- Press and hold the volume button on the receiver until the light turns on.
- Immediately press the first transmitter button *twice*. The music is now locked for this transmitter.
- Repeat steps 2-4 for any additional transmitters, selecting a different ringtone for each.

Versatile Use
This doorbell can also function as a pager, providing peace of mind for families with elderly members, children, or pregnant women. It is suitable for various environments including villas, apartments, office buildings, hotels, and nursing homes.


Maintenance
- Professional Service: Non-professionals are not permitted to open the device for repair to avoid damaging delicate electronic components.
- Environmental Protection: Avoid placing the product in locations directly exposed to rain, prolonged sunlight, or close to metal objects, as this can affect performance and lifespan.
- Proper Usage: Correct use of this product will effectively extend its service life.

Troubleshooting
Doorbell Not Working Properly
If your doorbell is not functioning as expected:
- Check Power: Ensure the receiver is securely plugged into a live electrical outlet.
- Re-pair Devices: Try the pairing method described in the 'Operating Instructions' section. This often resolves connectivity issues.
- Environmental Factors: Verify that the remote control distance is within the specified 150M range and that there are no excessive barriers (e.g., thick walls, metal structures) that might interfere with the signal. The actual remote control distance may vary depending on the environment.
- Anti-interference: The doorbell uses a digital circuit design to prevent crosstalk from neighbors' doorbells. If you suspect interference, ensure your unit is properly paired.


User Tips
- Power Outage Reset: Be aware that the doorbell may reset to its default ringtone and highest volume setting after a power outage. You will need to re-set your preferred ringtone and volume level.
Warranty and Support
CACAZI offers a one-year warranty or replacement for this product. If you encounter any issues that cannot be resolved using the troubleshooting steps provided, or if you have questions regarding the product, please contact our customer support. Our professional technicians are available to assist you.