







🔔 Elevate your entryway with sound and style—because first impressions matter!
The AVANTEK D-3B Wireless Doorbell offers a robust 1300-foot wireless range with two plug-in receivers, ensuring you never miss a visitor. Its IP55-rated transmitter withstands harsh weather, powered by a long-lasting 3-year lithium battery. Featuring 52 selectable melodies with CD-quality sound and a smart memory function that retains your settings after power outages, this doorbell combines durability, convenience, and customization for modern homes and offices.








| Manufacturer | AVANTEK |
| Part Number | D-3B |
| Product Dimensions | 19.61 x 5.89 x 10.69 cm; 281.23 g |
| Batteries | 1 CR2 batteries required. (included) |
| Item model number | D-3B |
| Colour | Black |
| Style | Black 1 Button + 2 Plug-in Chimes |
| Material | ABS |
| Shape | Square |
| Thickness | 0.6 Inches |
| Power Source | AC & Battery |
| Voltage | 3 Volts |
| Installation method | Self-Adhesive or Screw-In |
| Item Package Quantity | 1 |
| Handle/lever placement | Push Button |
| Switch Type | Remote |
| Plug format | A- US style |
| Switch style | Push button |
| Special Features | 52 optional melodies; easy to choose between next and previous, Built-in 40 mm stereo speaker delivers rich and crisp sound, Preserves your last set melody and volume level after a power outage, Provides a massive 400 m wireless distance range, The transmitter is IP55 dust-proof and water-resistant, Uses a CR2032 lithium battery that boasts 3 year maximum lifespan, Working temperature ranges from -4 °F-140 °F (-20 °C-60 °C) |
| 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 | 1095 days |
| Item Weight | 281 g |
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