[Easy to Install]Modern design and easy to operate. Very easy to install, just plug the mini receiver into an outlet and then use the provided accessories to secure the transmitter to the wall. Won't interfere with other devices in your home or neighborhood, ensuring you never miss a visitor. This wireless doorbell kit is the most convenient choice for your home and business..[1300ft Long Range]This high frequency electronic technology wireless remote control doorbell uses a wireless signal solution with strong anti-interference capability. In the open environment, the sensing distance can reach 1300 feet. Widely used in homes, apartments, schools, villas, offices, warehouses, hotels, factories, hospitals, etc..[55 Smart Ringtone]Perfect wireless doorbell kit with 55 different ring tones and 5 levels of adjustable volume from 0db to 110db. Easy to select and set your favorite tone; flashing light indicator is easy to notice including the hearing impaired. Retains memory of your last set melody and volume after power failure; No need to reset to previous settings; Convenient and easy-to-use design gives you a better using experience..[IP55 ] Sleek modern design in classic white with IP55 dust and water protection; Battery life: 3 years. Operating temperature range of -22 °F to 158 °F; withstand all kinds of harsh weather conditions, suitable for indoor and outdoor use..[Expandable Doorbell System]If you want to expand your doorbell system to your home, you can add brand receiver and transmitter of the same model. You don't need to worry about anything.