Wireless Operation & Long Range Coverage : Enjoy seamless connectivity with our wireless doorbell system, featuring a 300-meter signal range that ensures reliable performance across large spaces. Adjustable Volume & Multiple Chimes : Choose from 45 melodious tunes and adjust the volume up to 85 dB for customized alerts that suit your environment. Quick & Easy Installation : Install in just 3 minutes without wires or drilling, thanks to 3M double-sided adhesive, making setup hassle-free and efficient. IP55 Waterproof & Dustproof : Perfect for outdoor use, this system withstands harsh weather conditions, ensuring reliability rain or shine. Memory Function & Anti-Interference : Retains your settings even after power outages and operates with minimal interference, providing consistent performance. Experience the ultimate in convenience and security with our Wireless Doorbell System. Designed for both indoor and outdoor use, this system boasts an impressive 300-meter signal range, ensuring you never miss a visitor. With its sleek design and straightforward installation process, integrating it into your daily life is effortless. Perfect for homes, businesses, and offices, this doorbell is not just functional but also a testament to modern innovation. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.