Kerui M558 Wireless Doorbell With 32 Songs Adjustable Volume Easy Installation

Up to 150 meters in open space, the Kerui M558 delivers reliable wireless signaling with 4-level volume and a choice of 32 melodies (the doorbell button offers 33 tones).

Doorbell operates on 220V AC and the button uses a CR2032 battery. It can learn up to 30 transmitters and supports 1527/2262 code chips. Suitable for homes, villas, shops, hotels, and offices thanks to its strong signal and broad coverage.

Plug-and-play setup: the doorbell connects to power, and the button is fixed with double-sided tape. A built‑in backlight flashes when pressed for visibility, and the system supports multi-accessory expansion to fit larger spaces.

Key specs

• Doorbell power: 220V AC; Button power: CR2032 battery
• Range: up to 150m open space (about 500ft)
• Tones: up to 32 melodies; doorbell button supports up to 33 tones
• Volume: 4 levels, no mute mode
• Transmitters: learn up to 30 transmitters
• Code compatibility: supports 1527/2262 code chips
• Installation: plug‑and‑play; button fixed with double‑sided tape

Q&A

1. What is the Kerui M558?
   A wireless doorbell system with a powered door unit, battery button, multiple tones, and room‑scale expandability.
2. How far does it reach?
   Up to 150 meters in open space (about 500 feet).
3. How many melodies are available?
   Up to 32 melodies on the doorbell; the button offers up to 33 tones.
4. Can I add more than one transmitter?
   Yes, it can learn up to 30 transmitters for a multi‑door setup.
5. How is it powered?
   Doorbell unit uses 220V AC; the button uses a CR2032 battery.
6. How easy is installation?
   Plug‑and‑play doorbell; button adheres with double‑sided tape.
7. Where is it suitable?
   Homes, villas, shops, hotels, and offices seeking reliable wireless alerts.

Benefits

• Long-range reliability up to 150m open space
• 4-level volume with 33 tone options on the button to minimize neighbor overlap
• Supports up to 30 transmitters for multi‑door configurations
• 1527/2262 code chip compatibility for flexible pairing
• Plug‑and‑play installation for quick setup
• Button backlight flashes on press for visibility
• Suitable for a variety of spaces: home, villa, shop, hotel, or office

Kerui M558 Wireless Doorbell offers 32/33 tones, 4-level volume, 150m range, plug-and-play setup, and multi-transmitter support for homes, offices, and shops.

• Reach every corner with a 150m open-space range
• 32 melodies (33 tones on the button) to fit your sound preference
• Plug‑and‑play simplicity—no complex wiring
• Learn up to 30 transmitters for a multi‑door system
• Four adjustable volumes for any environment
• Backlight flashes to catch attention in low light
• CE‑certified reliability for homes, villas, shops, and offices