AVANTEK CB-21 Wireless Doorbell - 52 Melodies, 1000ft Range, Waterproof
🎵 52 Melodies - With a symphony of chimes at your fingertips, picking the perfect tune for your doorstep has never been easier. Whether you're into classic dings or something more modern, we've got you covered.
🏠 1000ft Wireless Range - Imagine this: you're in the backyard, lost in your favorite book, and—ding dong!—you hear the doorbell clear as day. That's the magic of our extended range, ensuring you're always in the loop, no matter where you are at home (or even in the office).
🌧️ IP55 Waterproof - Rain or shine, this doorbell stands its ground. It's like the postal service of doorbells—nothing stops it from delivering (except maybe a power outage, but we've got that covered too).
🔊 115dB Loud Sound - Loud enough to wake the neighbors? Maybe. But definitely loud enough to cut through the chaos of a busy household or to be heard by those who might need a little extra volume. Consider it your auditory lifeline.
⚡ Memory Function - Because who has time to reset their doorbell after every power outage? Not you. Our doorbell remembers your preferences, so you can pick up right where you left off—no fuss, no muss.
🔋 Long Battery Life - Three years on a single battery? That's right. We're not just saving you time; we're saving you from the dreaded 'low battery' chirp that haunts your dreams. Set it and forget it—until 2026, at least.
General specs
- Brand: AVANTEK
- Model: CB-21
- Seller: Amazon
- Manufacturer: AVANTEK
- Part Number: CB-21
- Item Weight: 6.4 ounces
- Product Dimensions: 2.8 x 0.6 x 3.1 inches
- Batteries: 2 CR2 batteries required.
- Material: ABS
- Shape: Square
- Power Source: AC & Battery
- Voltage: 3 Volts
- Sound Level: 115 dB
- Type of Bulb: LED
- Included Components: 1 × Plug-in receiver, 2 × Transmitter, 1 × User manual, 2 × Adhesive tape, 1 × Screwdriver, 4 × Screw, 4 × Anchor
- Average Battery Life: 3 years
If you are interested in more details, you can find full information on the seller's page.
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Comparison with similar products
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AVANTEK CB-21 2 Transmitters Black
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AVANTEK CW-21 1,000 ft ultra long wireless range
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AVANTEK WA-11 1000 feet wireless range
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AVANTEK CW-11 300 M/1000 FT ultra long wireless range
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AVANTEK LD-CB-12-A 1000 FT ultra long wireless range
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AVANTEK D-3C 1300 ft Long Range
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| Brand | AVANTEK | AVANTEK | AVANTEK | AVANTEK | AVANTEK | AVANTEK |
| Model | CB-21 | CW-21 | WA-11 | CW-11 | LD-CB-12-A | D-3C |
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| Rating |
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| Price | $20.99 | $25.99 | $20.99 | $17.59 | $20.99 | $17.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 9, 2025 | May 12, 2025 | June 15, 2025 | June 8, 2025 | June 10, 2025 | June 10, 2025 |
| Batteries | 2 CR2 batteries required. | 2 CR2 batteries required | 1 CR2032 batteries required. (included) | |||
| Power Source | AC & Battery | Battery-powered | AC & Battery | AC & Battery | ||
| Sound Level | 115 dB | 115 dB | 120 dB | 115 dB | ||
| Included Components | 1 × Plug-in receiver, 2 × Transmitter, 1 × User manual, 2 × Adhesive tape, 1 × Screwdriver, 4 × Screw, 4 × Anchor | Transmitter, Receiver, Batteries, Adhesive tape, Screwdriver, Screws, Anchors | Transmitter, Receiver, Adhesive tape, Screwdriver, Screws, Anchors | 2 Plug-in receivers, 1 Adhesive tape, 1 Screwdriver, 2 Screws, 2 Anchors, 1 Transmitter, 1 User manual | 2 × Plug-in receiver, 1 × Transmitter, 1 × User manual, 2 × Adhesive tape, 1 × Screwdriver, 4 × Screw, 4 × Anchor | |
| Waterproof Rating | IP55 | IP55 | IP55 | |||
Wireless Doorbell with 52 Melodies and 1000ft Range
Reviews
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