







🔔 Elevate your entryway with sound that speaks success.
The AVANTEK Wireless Doorbell D-3B offers a robust 1300-foot wireless range with two plug-in receivers, ensuring you never miss a visitor. Featuring 52 high-quality melodies and adjustable volume up to 115 dB, it delivers crystal-clear sound. Its IP55 waterproof and dustproof transmitter withstands harsh weather, powered by a 3-year lithium battery. The smart memory function preserves your settings after power outages, and easy installation options make it a seamless upgrade for any modern home or office.








| Manufacturer | AVANTEK |
| Part Number | D-3B |
| Item Weight | 9.9 ounces |
| Product Dimensions | 7.72 x 2.32 x 4.21 inches |
| Item model number | D-3B |
| Batteries | 1 CR2 batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Material | ABS |
| Voltage | 3 Volts |
| Item Package Quantity | 1 |
| Included Components | 1 × Adhesive tape, 1 × Screwdriver, 2 × Screw, 2 × Anchor, 1 × Transmitter (battery included), 1 × User manual, 2 × Plug-in receiver |
| Batteries Included? | Yes |
| Batteries Required? | No |
| Battery Cell Type | Lithium Manganese Dioxide |
| Average Battery Life | 3 years |
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