Wireless Doorbell Kit Includes everything for DIY installation: 1 wireless doorbell transmitter and 1 smart doorbell receiver, double-sided tape, anchors, and screws. Easy Installation: Our portable doorbell easily pairs and connects, allowing for a battery-powered wireless doorbell. Customize it by selecting from over 38 doorbell sounds and 4 volume settings, perfect for naps or parties. Long Range: Our patented technology uses high-quality microchips and requires no Wi-Fi or Bluetooth. The signal reaches up to 1000 feet. Ideal for large homes, apartments, offices, and warehouses. U.S. Pat. No. D800005 Smart Features: This isn't just a wireless doorbell; it's smart! It remembers your custom settings and features stylish, modern LED lights that illuminate and flash for easy nighttime visibility. Reliable and weather-resistant, it operates between -4°F and 140°F. Versatile Use: Our wireless doorbells are perfect for apartments, townhouses, small businesses, warehouses, offices, and condos. Use them outdoors for gates, fences, or mailboxes, or indoors for classrooms.