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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Never miss any visitors.

Wide Coverage for Full Home.

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About AVANTEK

Focusing on the needs of our customers, AVANTEK is committed to delivering top-notch wireless doorbells, allowing you to live simpler than ever before. We strive to ensure every customer is satisfied with our business.

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