[Easy to Install] design and easy to operate. Simple installation process—plug the mini receiver into an outlet and use the included accessories to mount the transmitter on the wall. Does not interfere with other household or neighborhood devices, ensuring reliable notification for every visitor. This wireless doorbell kit offers a convenient solution for home and business environments. [1300ft Long Range] Utilizes high-frequency electronic technology with a robust wireless signal system designed for strong anti-interference performance. In open areas, the detection range reaches up to 1300 feet. Suitable for a wide range of applications including homes, apartments, schools, villas, offices, warehouses, hotels, factories, and hospitals. [55 Smart Ringtones] Wireless doorbell kit features 55 distinct ringtones and 5 adjustable volume levels ranging from low to high intensity (up to 110dB). Easily select and customize your preferred tone; includes a visual flashing light indicator to assist users with hearing impairments. Retains memory of the last selected melody and volume setting after power interruption, eliminating the need for reconfiguration. Thoughtful design enhances user convenience and overall experience. [IP55 Rated] Sleek, design in classic white with IP55 rating for dust and water resistance. Long-lasting battery life of up to 3 years. Operates effectively in temperatures ranging from -22°F to 158°F, making it durable enough to withstand various outdoor conditions. Suitable for both indoor and outdoor use.