Silver Dolphin form door is constructed using high quality industrial plastics into, the receiver using Dolphin shape design, dominated by silver, wholesale reference price is negotiable. Silver Dolphin form Bell built-in stereo speakers, sound crisp, uses wireless installation design, reducing the trouble and expense of installation and accurate "RF ISO code" technology from interfering with each other, suitable for use in homes, restaurants, hotels and other places. Silver Dolphin form Bell operates on battery, no aging of materials, do not fade, corrosion-resistant characteristics, packed in blister card, minimum order quantity is 1 or more, Qty 60 kcal/pieces.