General description AlwaysH Wireless Doorbell is designed for reliable performance with a powerful range of 300 meters in open areas, ensuring you never miss a visitor, whether you're in the garden, upstairs, or in the basement. This doorbell is dust and water-resistant, making it suitable for all weather conditions. Technical specifications Range: 300 meters Volume levels: 5 selectable levels Maximum volume: 110 dB Operating temperature: -20°C to 70°C Other information