• Ultra-Long Distance Wireless Range】Tecknet Wireless doorbell works up to 1300ft in open areas and won't interfere with other wireless devices nearby. Strong and stable wireless signal ensures you won't miss any visitors.
• 【Multiple Uses】A battery doorbell requires no Wi-Fi, Sockets. Receivers and transmitters can place anywhere and can also carry around as a pager. We can place freely the receiver on a table or in a pocket. Whether in the basement, garage, or backyard, you can always know visitors at the time.
• 【60 selectable ringtones】The battery doorbell has 60 selectable ringtones with 5 adjustable volume levels from 0db to 110db and silent mode to meet your needs. The memory function allows the cordless doorbell to remember the last ringer and volume, with no need to reset even after a power outage.
• 【Waterproof & Durable】Waterproof doorbell constructs with IP44 waterproof ring and can withstand harsh weather (-20°C to 60°C). The Transmitter uses the environmentally friendly 3V CR2032 battery, the lifespan is up to 4.5 years.

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