- **IP55 waterproof design**: This wireless doorbell has the impressive waterproof class IP55, which ensures reliable performance in various weather conditions from -20°C to 60°C, making it perfect for outdoor and indoor use. - Impressive 300 meter wireless range**: Enjoy seamless connectivity with a range of up to 300 meters in open areas. Simply install this versatile doorbell wirelessly in your home, apartment or office, and expand your system with additional transmitters and receivers. - **CUSTOMIZABLE TONE OPTIONS**: Choose from 55 unique ringtones, including the nostalgic chime melody, with 5 levels of adjustable volume up to 110 decibels. - **Easy Installation**: Install your bell wireless effortlessly with the included double-sided tape or screws, providing flexibility and convenience for any decor. - **What you get & **: the package comes with AC receiver * 1, transmitter * 1, double-sided self-adhesive tape * 1, screwdriver * 1, wall dowel and screw kit * 1 - **Reliable memory function**: Built-in memory function retains settings even after a power outage to ensure consistent operation. **SAFETY FIRST **:The doorbell is made of flame retardant material, safer and worry-free. - **RGB Light Design**: RGB light design is more friendly to the hearing impaired and elderly., Manufacturer: carehabi