General description AlwaysH Wireless Doorbell is designed for convenience and reliability, featuring a strong signal range of 300 meters in open areas. This ensures you never miss a visitor, whether you're in the backyard, upstairs, or in the basement. The doorbell is dust and water-resistant, making it suitable for all weather conditions, and it operates efficiently in temperatures ranging from -30°C to 70°C. Technical specifications Signal range: 300 meters Operating temperature: -30°C to 70°C Volume levels: 5 levels up to 110 dB Battery life: 1 to 3 years Other information Waterproof and dust-resistant design