Dolphin style doorbell with blister card packaging, using battery power, material aging, fading, corrosion-resistant characteristics, minimum order quantity is 1 or more, Qty 60 kcal/pieces. Dolphin style doorbell receiver using Dolphin shape design, the color is sky blue, sound built-in dual stereo speakers, sounds very clear, suitable for use in homes, restaurants, hotels and other places, reference wholesale price is negotiable. Dolphin style door is constructed using high quality industrial plastics into, using wireless installation design, reducing the trouble and expense of installation and accurate "RF ISO code" technology from interfering with each other.