As an experienced and professional manufacturer of electronic products with 13 years, we have advanced product line and a strong team of R&D and managing stuff to handle with the whole process including product design, manufacturing and sale. We always pay attention to product quality and cost control, so that we can assure our products to have excellent performance and price. What is more, one of our principles is to provide prompt delivery and service. Currently, we sell our products well in China Mainland, Hong Kong and Southeast etc. We rely on reasonable price and top quality to gain the markets. Now we have passed ISO9001 approval, and we can make our products under different international standards such as CCC, CE and so on. ============ Remote Range: 80-150m Sound: 20 different kinds of lovely sounds for selection or variety sounds such as birdcall Power supply: DC4.5v and AC120V, 220V Shell material: ABS plastic Certificate:FCC, CE, CCC, Remote Control: wireless and wire Power supply: 3V,4.5V battery or AC120V,220V Appearance Size: variety Component: a visitor button and a selecting-sound button ======================== Remote Control: Power supply: 23A 12V Controller special-line battery Appearance Size: 70LΧ38WΧ18Hmm Component: a visitor button and a selecting-sound button