AVANTEK Wireless Door Bell, CB-21 Mini Waterproof Wireless Doorbell Operating at Over 1000 Feet, 2 Remote Buttons Can Have Different Tones, 52 Melodies, CD Quality Sound and LED Flash
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Product details
| Management number | 221897349 | Release Date | 2026/05/04 | List Price | US$8.00 | Model Number | 221897349 | ||
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- 100% SATISFACTION: Our AVANTEK wireless doorbell is approved by FCC, CE and RoHS; we provide customer service on our products and we will always do our best to support you.
- EASY TO SET UP: 2 transmitters included, can add more AVANTEK CR-1/RB-1 plug-in receivers for increased coverage; simply fix the transmitter on the wall without any wiring, includes 4 screws, 4 anchors, 1 key and 2 double-sided adhesive pads
- 1,000 FT/300 M LONG WIRELESS RANGE: Will not interfere with other equipment in your home or those of your neighbors; ensures you will never miss a visitor, even if you are a few rooms away or on another floor
- TAILOR YOUR TRANSMITTER: 1.1 in (29 mm) stereo speaker delivers rich and crisp sound; 52 melodies and 5 adjustable volume levels with a maximum setting of 115 dB; set a different ring tone for each transmitter so that you know exactly which doorbell has been rung
- HIGH PERFORMANCE: The transmitter has ultra-low power consumption; uses a lithium battery that boasts 3-year maximum lifespan; IP55 dustproof and waterproof rating; works between -4 °F to 140 °F; withstands various harsh weather conditions
- MEMORY FUNCTION: Remembers your last melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience
| Color | 2 Transmitters Black |
|---|---|
| Shape | Square |
| Voltage | 3 Volts |
| Material | ABS |
| Batteries | 2 CR2 batteries required. |
| Thickness | 0.6 Inches |
| Item Weight | 6.7 ounces |
| Part Number | CB-21 |
| Plug Format | A- US style |
| Sound Level | 115 Decibels |
| Manufacturer | AVANTEK |
| Power Source | AC & Battery |
| Switch Style | Push button |
| Type of Bulb | LED |
| Battery Cell Type | Lithium Manganese Dioxide |
| Batteries Included | No |
| Batteries Required | Yes |
| Product Dimensions | 2.8 x 0.6 x 3.1 inches |
| Included Components | 1 × Plug-in receiver, 1 × User manual, 2 × Adhesive tape, 1 × Screwdriver, 4 × Screw, 4 × Anchor, 2 × Transmitter |
| Installation Method | Self-Adhesive or Screw-In |
| Average Battery Life | 3 years |
| Is Discontinued By Manufacturer | No |
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