AVANTEK CB-21 Wireless Doorbell with Multiple Melodies and Long Range
Available Options
Price history by variant
Volatility: LowModel overview
2
Price range
$19.99
—
$19.99
Variant spread:
High
Available variants
Key differences
batteries
2 CR2 batteries required. • 2 CR2 batteries required
How to choose
- Compare 2-3 closest variants by price and key specs before deciding.
Trade-offs
batteries
Different values may change day-to-day usage profile depending on your priorities.
Lineup variability
Variants in this group differ significantly in practical usage profile.
Starting from $19.99
Last price update: 3/11/26
This wireless doorbell offers an extended 1000 ft range, allowing you to hear it from anywhere in your home or yard. It features 52 different melodies to choose from, with a maximum volume of 115 dB to ensure you never miss a visitor. The doorbell is IP55 rated for waterproof and dustproof performance, making it suitable for outdoor use in various weather conditions. It includes a memory function that retains your settings after a power outage, and it operates on both AC and battery power, with a long battery life of up to 3 years. Installation is straightforward with included accessories.
Reviews
3.8
13 reviews
5
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4
3
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0
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Anna Weber
April 3, 2025
Viking
April 3, 2025
Joseph Garcia
April 3, 2025
Isabel Wójcik
April 3, 2025
Anna Nelson
April 3, 2025
Laura Johnson
April 2, 2025
Luna
April 1, 2025
Samuel Lefèvre
March 31, 2025
Sledge
March 30, 2025
Skye
May 10, 2025
Duke
May 10, 2025
Abigail Santos
May 9, 2025