The Kepeng household doorbell is packaged with suction cards, containing the doorbell and batteries. It is powered by batteries and the wholesale reference price is negotiable. The packing quantity is 60 cards per piece, with a minimum order quantity of 1 piece or more. The Kepeng household doorbell is characterized by materials that do not deteriorate, fade, or corrode. It is designed with wireless installation, a square shape to reduce installation troubles and costs, and the precise "same frequency but different codes" technology to avoid interference between each other. The Kepeng household doorbell has a dual-tone stereo speaker, with a clear sound, suitable for use in family, restaurant, factory, and unit settings. The material is made of high-quality industrial plastic.