General description The AlwaysH Wireless Doorbell is a high-quality, waterproof electronic chime designed for outdoor use. With a range of 300 meters, it features 55 built-in melodies and 5 adjustable volume levels, ensuring you can hear it clearly throughout your home. The doorbell is equipped with a memory function that allows you to select your preferred sounds and bells. Technical specifications Waterproof rating: IP55 Range: 300 meters Melodies: 55 built-in Volume levels: 5 adjustable Compatibility and accessories Includes 1 plug-in receiver Usage Suitable for various locations including homes, apartments, schools, offices, warehouses, hotels, factories, and hospitals. Flashing light indicators assist those with hearing impairments. Other information Battery-free operation Blue LEDs on buttons and receiver provide visual indications for hosts and visitors.