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AVANTEK CB-21 Wireless Doorbell with Multiple Melodies and Long Range

This wireless doorbell offers an extended 1000 ft range, allowing you to hear it from anywhere in your home or yard. It features 52 different melodies to choose from, with a maximum volume of 115 dB to ensure you never miss a visitor. The doorbell is IP55 rated for waterproof and dustproof performance, making it suitable for outdoor use in various weather conditions. It includes a memory function that retains your settings after a power outage, and it operates on both AC and battery power, with a long battery life of up to 3 years. Installation is straightforward with included accessories.

  • 2 offers
  • 1000 ft wireless range
Price range €17 – €23
Price spread ~37% Across listed offers
Customer rating 4.7 2,203 ratings

Available offers (2)

Choose an offer, then open its detail page for seller-specific information.

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Wireless Doorbell with 52 Melodies, 1000ft Range, Waterproof, AVANTEK AVANTEK CB-11 Retailer €11.48 4.7 Wireless Door Bell with 52 Melodies and 1000 Feet Range, AVANTEK AVANTEK BA-11 Retailer €12.81 4.7 Wireless Doorbell with 1300 Feet Range, 56 Melodies & Waterproof Design, AVANTEK AVANTEK DB-21 Retailer €23.66 4.6 Wireless Doorbell Kit with 52 Chimes, 1000Ft Range, Weatherproof, SadoTech SadoTech ST-FX-C White Retailer €16.90 4.6 Wireless Doorbell with 38 Melodies and LED Flash, Waterproof, 1000-Foot Range, BO YING BO YING A-808 White Retailer €8.89 4.7

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BO YING A-808 White
Brand AVANTEK AVANTEK AVANTEK AVANTEK SadoTech BO YING
Model CB-21 CB-11 BA-11 DB-21 ST-FX-C A-808
Color
Rating
(2203)
(24538)
(8625)
(2122)
(26473)
(11401)
Price €16.90 €11.48 €12.81 €23.66 €16.90 €8.89
Seller Retailer Retailer Retailer Retailer Retailer Retailer
Update May 6, 2026 May 16, 2026 May 20, 2026 May 15, 2026 May 15, 2026 Mar 21, 2026
Voltage 3 Volts 3 Volts 110 Volts 110 Volts
batteries 2 CR2 batteries required. 1 CR2 batteries required. (included) 1 A batteries required.
Item Weight 6.4 ounces 5 ounces 4 ounces 4.6 ounces
Part Number CB-21 LD-CB-11-A ST-FX-C A-808
manufacturer AVANTEK AVANTEK SadoTech BO YING
Product Dimensions 2.8 x 0.6 x 3.1 inches 2.8 x 0.6 x 3.1 inches 3.2 x 1.5 x 3.5 inches 77.17 x 26.77 x 3.94 inches

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Reviews

4.7
(2,203 ratings)

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