Secrui M520 F55 Wireless Doorbell
Content
Content will vary according to your kit. The push button supplied with this kit is pre-programmed to operate with the doorbell. If it is not, see “Connect a Push Button” on page 5.
Safety
Before proceeding with the installation, please note the following safety warnings:
- Always follow the manufacturer’s advice when using power tools and wear suitable protective equipment (e.g., safety goggles) when drilling holes, etc.
- Before drilling holes in walls, check for hidden electricity cables and water pipes. The use of a cable/pipe locator is advisable if in doubt.
What You Should Know Before Installation
- Test the operating range you desire. Choose an electric outlet at a height of at least 3.3 feet and plug in the receiver. Take the button outside the door to test if it can work well within the range you have chosen.
- Set a desired music (different or the same one) for transmitters before installation. For music setting, see Operating Instructions. Doorbells have been paired and set to a default chime (Ding Dong) before leaving the factory.
- Please do not install the transmitter on metal doors since it is hard for the signal to transmit.
- Please take out the battery insulating strip before using (as shown in picture D).
- Ensure all surfaces are clean by wiping the installation area with a clean cloth. Please note that the sticker will have poor adhesion if you attach it to a dirty or uneven surface. Sunlight or rain will also affect the adhesion over a longer period of time.
Product Structure Diagram
AC Powered Receiver
- Music Control
- Volume Control
- Plug
- LED Light
- Speaker
Waterproof Transmitter
Set Up and Operation
Press the push button to test whether it is paired with the doorbell. The doorbell will light up and ring. If it does not, see “Connect a Push Button” on page 5.
1. Adjust the Volume
Press the
1s. (When the power is cut off and power is restored, the volume will be automatically adjusted to maximum.)
2. Change the Tune
Press the 
1s: loop tones in sequence and play the current tones. Long-press 5s : change tone loop direction. Press and hold the to power on: the doorbell receiver will turn on after beeping ten times, indicating that the doorbell receiver will restore the track to the first song, and all the buttons will not be deleted.
3. Connect a Push Button
You can connect up to 20 accessories to your doorbell, including other push buttons, window or door opening sensors, and motion sensors.
(1) VARIABLE – Tone Pairing
- Plug in the receiver, press and hold the
on the receiver for 5s. The receiver will beep once, which means the receiver has entered pairing mode. - Press the push button; the receiver will beep twice with the LED indicator flashing for 1s.
- Press the push button again; the receiver will beep once with the LED indicator flashing for 1s, which means the pairing is successful.
- Short-press or leave it 20s without any operation; the doorbell will exit pairing mode.
Adding additional push buttons or receivers, please follow the above steps.
(2) FIXED – Tone Pairing (only play your saved tone)
- Select a tone that you like.
- Press and hold the
& 
buttons for 5 seconds until the receiver beeps once, which means the receiver has entered pairing mode. - Press the push button once; the receiver will beep twice with the LED indicator flashing for 1s.
- Press the push button once again; the receiver will beep once with the LED indicator flashing for 1s, which means the pairing is successful.
- Short-press
or leave it for 20 seconds without any operation; the doorbell will exit pairing mode.
Adding additional buttons or receivers, please follow the above steps.
Note: Pair and set only one transmitter at a time to avoid interference and ensure successful operation.
4. Reset (Clearing Out Settings)
- To return all settings to their default settings, hold down
and plug it into an outlet. After playing the beep 10 times, all settings will return to factory defaults. - Hold down
and plug in.
Installation
Choose a location that is not near a heat source or on something that moves (like a door). For non-mounting locations, choose a place where the doorbell will be easy to see and hear.
1. For Receiver:
Plug-in receiver: just plug the receiver into a standard outlet in the room.
2. For Push Button:
IMPORTANT: Before installation, please test if the operating range you choose is working and set music if needed. Before you drill any hole in the wall, make sure there are no cables or pipes. To install, you will require a drill and a cross-headed screwdriver.
- Open the transmitter with a screwdriver and separate the front cover from the back cover. Penetrate the two standby holes at the back cover with two screws. Then fix the screws on the wall at a suitable height.
- Or you can stick the transmitter with double-sided adhesive tape.
- If you are not mounting the push button to the wall, place it where you want it.
Battery Replacement of Push Button
Open the battery cover and install the CR2032 battery.
Specifications
Troubleshooting
1 Year Limited Warranty
This product is warranted to the original purchaser only for a period of 1 year from the date of purchase for products damaged due to defects in workmanship and materials. Proof of purchase is required to obtain warranty service. Warranty is for replacement only. No service parts are available for these products. No other warranties are expressed or implied. Batteries are not covered under this warranty. For warranty service, please contact SECRUI Customer Service by email: [email protected].
IMPORTANT: PLEASE KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE WHEN REPLACING BATTERIES
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