YUNFOOK Doorbell Transformer: UL Listed for safety
Need a rock-solid power source for your smart doorbell or thermostat? This 24V 40VA transformer has got your back, keeping your Ring, Nest, or Honeywell gadgets humming along without a hitch. And hey, it's not just talk—this baby's UL certified, so you can sleep easy knowing it's as safe as houses (literally, since it reduces fire risks).
Here’s the lowdown: it plays nice in just about any setting—home, office, or even that quirky industrial loft you’ve been eyeing. Installation? A breeze, thanks to the idiot-proof wiring diagrams (we’ve all been there). Plus, that UL-listed badge isn’t just for show; it means business when it comes to safety.
Bottom line: whether you’re decking out your pad with the latest smart tech or just making sure your current setup doesn’t bail on you, this transformer is the unsung hero you didn’t know you needed.
Features
- 24V 40VA power output
- Wide device compatibility
- Easy installation process
- Exceptional customer support
- UL Listed for safety
General specs
- Brand: YUNFOOK
- Seller: Amazon
- ID: B0F4D84VY2
- package_dimensions: 4.33 x 3.82 x 2.99 inches; 1.65 Pounds
- date_first_available: April 10, 2025
- country_of_origin: China
- input: 120V, 60 HZ
- output: 24V at 40 VA
- First listed by seller: 7/17/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Doorbell Transformer UL Listed for safety
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24 Volt Doorbell Transformer
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Adamax 16TR Perfect replacement for old transformers
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Wired Doorbell Chime
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WESUA DB-01 Suitable for 9-24VDC wide voltage power supply
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Newhouse Hardware CKIT8
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| Brand | YUNFOOK | HUIYEETEX | Adamax | WESUA | Newhouse Hardware | |
| Model | 16TR | DB-01 | CKIT8 | |||
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| Price | $17.99 | $20.99 | $12.95 | $19.99 | $5.99 | $25.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| date_first_available | April 10, 2025 | July 31, 2023 | June 20, 2024 | |||
| country_of_origin | China | USA | China | |||
| item_weight | 13.8 ounces | 0.634 ounces | 2.57 pounds | |||
| product_dimensions | 2.5 x 1.75 x 2 inches | 2.9 x 0.9 x 0.6 inches | 4.25 x 2.32 x 10.35 inches | |||