The white plastic doorbell is designed with wireless installation to reduce installation hassle and costs, and features the precise "co-frequency different code" technology to avoid interference between each other. It is suitable for use in homes, restaurants, factories, and other venues. The white plastic doorbell is made of high-quality industrial plastic and is packaged in a sucker card, with a doorbell and batteries inside. It is powered by batteries and the wholesale reference price is negotiable. The packing quantity is 60 cards per piece. The material of the white plastic doorbell has characteristics such as non-aging, non-fading, and corrosion resistance. It is equipped with a dual-tone stereo speaker, which produces a clear sound. The minimum order quantity is one piece or more.