IP68 Waterproof: The outdoor wireless doorbell is waterproof and can withstand the harshest outdoor weather conditions such as heavy rain, snow, and scorching sun. We have tested it and put the doorbell in water. It shows that the doorbell transmitter can continue to be used normally after the water dries. 150m Range - The range of the wireless doorbell receiver can reach a radius of 150m, which is suitable for apartments, villas, and gardens. Even if you are in the garden or in the second stick, you can hear the bell. And it does not interfere with other electrical signals in your home. 【Battery-Free】The design of our front doorbell with 2 receivers is environmentally friendly and convenient. This doorbell does not have a battery. So you don't have to worry about replacing the battery. At the same time, it also contributes to environmental protection. 【Compatible Design】We have studied most household sockets in Europe and designed the most compatible wireless doorbell with waterproof