General description The 300M Wireless Doorbell is designed for convenience and versatility, featuring a strong wireless range of 300-500m (500-1000ft) in open areas. With 45 ringtones and 4 adjustable volume levels, it caters to various preferences and needs, ensuring you never miss a visitor, even from the garden. The doorbell is also equipped with a super flash feature, making it particularly useful for the elderly and hearing impaired. Its IP44 waterproof rating allows for reliable performance in wet conditions, making it suitable for outdoor use. Technical specifications Operating range: 300-500m / 500-1000ft Volume levels: 4 levels from 0dB to 110dB Waterproof rating: IP44 Installation Plug the receiver into an outlet Connect the transmitter to the door frame Simple enough for an 8-year-old child to install Usage Ideal for home, office, hotel, dormitory, factory, etc. Can serve as a nursing alarm device for the elderly and sick