How do you open the remote to access and replace the battery? A few of us tried and felt like the plastic would snap in two. Is there a trick to it?

I see what you mean about how tight the cover is. I just used a narrow flat blade screwdriver to pop up the bottom end (in the notch). That started the removal, but then I had to run my thumbnail down both sides in the crack started at the notch end, and it popped right off.

Do you need Internet?

Internet is not needed. Just plug the piece that plays music into a wall socket. There's a button there and you can choose which sound/music you like best. There's also several volume options and mute if you need to turn the sound off. The doorbell can be hung outside with the sticky piece that's included or with screws. I love it and so do my grandkids! They like changing the music.

The person who answered "there is no mute. You'll have to "take it out of the ac outlet" to mute it, is WRONG! THERE IS A MUTE OPTION! In the description it says this: The door bell HAS A MUTE MODE to choose from. Thanks to the LED it will still flash when working in mute mode. You will never miss a visitor even in mute mode.

My receiver stopped working and doesn’t make a sound when the doorbell is pushed it only flashes light. How do I fixed this?

You have it on mute. While on mute you won't hear it but you will see the flashing light. The purpose of that is to get your attention when someone is at the door for times when you don't want to hear the song playing.

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Description

🔔 Elevate your entryway with effortless style and sound!

SLEEK DURABLE - Modern industrial design crafted with premium ABS plastic and waterproof tech.
VERSATILE SETUP - Supports multiple button and receiver combos for full home coverage.
LONG LASTING POWER - CR2032 battery included, powering up to 3 years of reliable use.
CUSTOMIZABLE ALERTS - 58 unique ringtones with 5 volume settings to match your vibe.
PLUG PLAY SIMPLICITY - Pre-paired and ready in 60 seconds—no electrician needed.

The SECRUIM520+F55 is a waterproof wireless doorbell featuring 5 adjustable volume levels, 58 ringtones, and a 3-year battery life powered by a CR2032 battery. Designed for quick, no-wiring installation, it combines sleek industrial aesthetics with durable ABS plastic construction and LED flash alerts, making it a versatile and reliable choice for modern homes.

Specifications

Manufacturer	SECRUI
Part number	M520
Item Weight	9.07 g
Batteries	1 CR2032 batteries required. (included)
Item model number	M520 F55
Size	1 Packungen
Color	black
Material	ABS plastic
Pattern	Simple design
Shape	Square
Item thickness	1.4 Inches
Power source type	AC and battery operated
Voltage	120 Volts (AC)
Installation Method	Self-adhesive and screw-in
Item Package Quantity	1
Temperature Range	-4-140 Degrees Fahrenheit
Noise Level	120 dB
Extension Length	2.6 Inches
Hose Length	2.5 Inches
light-source-type	LED
Number Of Basins	1
Number of Holes	1
Blade Length	2.5 Inches
Speed Rating	Memory function: LED indicator
Cutting Diameter	2.5 Inches
Measurement System	English/Standard
Measurement Accuracy	1 mm
Plug Format	A- US style
Special Features	Adjustable volume Optional ringtone
Specific uses	Wireless Doorbell for Home/Classroom Doorbell
Included components	‎‎ 1 × transmitter (battery included), 1 × plug-in receiver, 1 × tape, 2 × screw, 2 × anchor, 1 × user manual (may not be in English) Not in English)
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Manganese Dioxide
tech_spec_battery_description_toys	CR2032
Battery life	3 years
Item diameter	2.5 Inches

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