Vibrating Colorful Flashing Wireless Doorbell Lithium Battery Wireless Doorbell Product Description: - Convenient Wireless Experience: Say goodbye to complicated wiring with our wireless lithium battery doorbell, allowing easy installation and flexibility in choosing the location. No more hassle, just convenience at your fingertips. - Extended Transmission Range: Enjoy a wide transmission range of up to 300 meters without interference, ensuring you never a visitor at your door even when you're relaxing in the backyard or working in the garage. - Versatile Customization Options: With a high-capacity battery, 39 unique ring tones, 4 adjustable volume , and 5 operating modes, our doorbell offers a variety of options to suit your preferences and needs. - Enhanced Alert Features: Equipped with strong vibration and bright flashing alerts, our doorbell ensures you are promptly notified of any visitors, making it suitable for both the elderly and those with hearing impairments. - Reliable USB Charging: Utilizing USB charging technology, our doorbell is environmentally friendly and economical, providing a sustainable power solution for long-term use. Enjoy the convenience of a fully charged doorbell at all times. Packing List: 1*Vibrating Colorful Flashing Wireless Doorbell Lithium Battery Wireless Doorbell