5 volumes and 36 ringtones provide different melodies such as chords, jazz, folk music, and more. The volume can be adjusted from 0 dB to 110 dB. Different ringtones can be set for each receiver of each transmitter. Long range: the doorbell can reach a maximum outdoor range of 300 m. The device can also be used as a care aid for the elderly or patients. IP55 waterproof: the transmitter is splash-proof, ensuring reliable outdoor use. Convenient and fast: the receiver connects easily to a socket. When someone is at the door, pressing the button causes the transmitter to flash blue, the bell to ring, and the blue light to flash for visual notificationideal for the hearing impaired. Each receiver can be assigned a different ringtone. Easy installation: the button can be mounted on the door frame using screws or double-sided tape. The receiver plugs directly into a power source where sound is needed. The transmitter has a built-in battery with an approximate lifespan of 2 years. This kit is suitable for use in homes, villas, offices, or commercial areas. Please check the product size and dimensions in the title and product details to ensure compatibility with your requirements. We aim for complete customer satisfaction. If you have any questions, feel free to reach out for support. Thank you for choosing our product. We hope you enjoy it!