







🔔 Elevate your entry game with AVANTEK’s wireless doorbell—where style meets unstoppable performance!
The AVANTEK Wireless Doorbell D-3B offers a robust 1300-foot wireless range with two plug-in receivers, 52 high-quality melodies, and a powerful 40mm stereo speaker. Designed for durability, it features an IP55 waterproof and dustproof transmitter powered by a 3-year lithium battery. Its smart memory function preserves your settings through power outages, while easy installation options and adjustable volume levels make it the perfect modern upgrade for any 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 |
| 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 |
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