Wireless doorbell no aging of the material, do not fade, corrosion-resistant characteristics, suitable for use in homes, restaurants, hotels and other places, beautiful rectangular design, with blue and white, reference wholesale price is negotiable. Wireless doorbell with blister card packaging, batteries, built-in stereo speakers, sound crisp, minimum order quantity is 1 or more. Wireless doorbell wireless installation design and precise "RF ISO code" technology from interfering with each other, and material selection of high quality industrial plastics fabrication, and Qty 60 kcal/pieces.