The Kepeng plastic doorbell is made of high-quality industrial plastic, featuring wireless installation design to reduce installation troubles and costs. It employs the precise 'co-frequency different code' technology to avoid interference between each other. The material of the Kepeng plastic doorbell is characterized by non-aging, non-fading, and corrosion resistance. It is powered by batteries and comes in a card-absorbing packaging. The wholesale reference price is negotiable, and the packing quantity is 60 cards per piece. The Kepeng plastic doorbell is equipped with a dual-tone stereo speaker, producing a clear sound. It is suitable for use in family, restaurant, factory, and unit settings. The minimum order quantity is one piece or more.