







🔔 Elevate your entryway game with AVANTEK’s wireless doorbell—where style meets unstoppable range!
The AVANTEK DB-21 Wireless Doorbell Kit features an impressive 1300 ft wireless range, 2 transmitters, and a waterproof IP55 rating. It offers 56 melodies with adjustable volume up to 115 dB, easy no-wiring installation, and a 3-year lithium battery life. Designed for durability and convenience, it remembers your settings after power loss, making it perfect for modern homes seeking reliable, customizable door alerts.








| UPC | 614993140195 |
| Item Weight | 8 Ounces |
| Shape | Square |
| Size | 2 Buttons+1 Receiver |
| Manufacturer | AVANTEK |
| Part Number | DB-21 |
| Item Weight | 8 ounces |
| Product Dimensions | 3.5 x 0.7 x 3.5 inches |
| Item model number | DB-21 |
| Batteries | 1 CR2 batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Style | 2 Buttons+1 Receiver |
| Material | ABS |
| Item Package Quantity | 1 |
| Included Components | 2 × Transmitter, 1 × Plug-in receiver, 2 × Adhesive tape, 1 × Screwdriver, 4 × Screw, 4 × Anchor, 1 × User manual |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Average Battery Life | 3 years |
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