Our wireless doorbell is the great addition to any home or office. With its simple installation process, you can have your doorbell up and running instantly. Our doorbell has a long-range transmission, allowing you to hear the doorbell from a distance. The strong design can withstand weather conditions. Features -Color:White -Material:ABS -Size:8.60X8.60X3.20cm/3.38X3.38X1.26in -Size:7.40X4.00X2.00cm/2.91X1.57X0.79in -Batteries: 3xAAA batteries (not included), 1xCR2032 battery (included) -Power: <=0.5W -Volume: 0-110dB -Transmission distance: 300m in open space - Easy installation: This wireless doorbell is easy to install and doesn't require complicated wiring, bringing you much convenience. - Light reminder: The wireless doorbell has a light reminder function that makes it easy to notice when you press the door bell. - Long-distance transmission: With long-distance transmission capabilities, this doorbell can be received and heard from far . - Clear sound: The doorbell has a loud sound that can be heard clearly, and you can choose the bell according to your preference. - Sturdy and lasting: Made with sturdy materials, this doorbell is strong enough and can withstand exposure to the sun and rain. Package list: 1 x push button 1 x receiver