SURFOU M9 Waterproof Wireless Doorbell: 1300-ft operating range
Why you'll love it:
- No wires, no fuss—easy installation means you're set up in minutes.
- Got a mansion? No problem. The expandable system grows with your ego—I mean, home.
- Power outage? Whatever. The memory function keeps your settings safe and sound.
- From freezer burn to desert heat (-22°F to 158°F), this doorbell laughs in the face of extreme temps.
Whether it's your home, classroom, or office (or that secret lair you don't talk about), this doorbell's got your back. Visitors? Consider them announced.
General specs
- Brand: SURFOU
- Model: M9
- Seller: Amazon
- Operating Range: 1300 feet
- Waterproof Rating: IP55
- Ringtones: 55
- Volume Levels: 5
- Battery Life: 3 years
- Operating Temperature: -22°F to 158°F
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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$33.99
Last price update: 6/15/25
Available to order
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Delivery to 
United States
United States
Available
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SURFOU M9 1300-ft operating range
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SURFOU M15K-2T2-White 1,300ft long range operation
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| Brand | SURFOU | SURFOU | SURFOU | SURFOU | SURFOU | SURFOU |
| Model | M9 | M9 | M9 | M15K-2T2-White | N128 | N128 |
| Color | ||||||
| Rating |
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| Price | $33.99 | $16.73 | $36.99 | $19.99 | $21.99 | $21.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 15, 2025 | June 14, 2025 | June 7, 2025 | May 11, 2025 | June 8, 2025 | May 13, 2025 |
| Waterproof Rating | IP55 | IP55 | IP55 | |||
| Volume Levels | 5 | 5 | 5 | |||
| Battery Life | 3 years | 1-3 years | 3 years | |||
| Operating Temperature | -22°F to 158°F | -22°F to 158°F | -22°F to 158°F | |||
| Included Components | doorbell button, doorbell receiver | 1 x plug-in receiver, 2 x push buttons, 2 x door signs, 2 x 12V23A battery, 1 x screwdriver, 4 x dowels, 3 x double-sided adhesive tape, 1 x instruction manual | 2 x plug-in receivers, 2 x push buttons, 2 x door signs, 2 x 12V23A battery, 1 x screwdriver, 4 x dowels, 3 x double-sided adhesive tape, 1 x instruction manual | |||
Waterproof Wireless Doorbell
$33.99
Reviews
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Alice Allen
June 8, 2025
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June 8, 2025
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