Tech Vibes 200M Wireless Door Bell Portable, Battery-Operated Plug-Less for Home/Office Use Wireless Door Chime  (38 Tunes)

Lines grace, light touch button, various kinds of colors for your choice, can bring you a sence of vision enjoy from lines and colors. Simple, vivid and no-wire installation design avoid troubles and save money when in installation and don't effect decorate environment. Remote control range up to 200meters in open air, suitable for homes and high floor houses. Built in diphonia stereo speakers, make the sound more clearly. Especially suitable for homes, offices, factories, restaurants and so on. Please use the good quality alkaline battery for doorbells. Don't use the bad quality heavy duty battery. Don't install this product in the sunny or rainy place. Please keep some distance between this product and the metal when you install in case it affects the usage. Thte sender and the receiveruse the same codes to match with each other. Please check whether the computer barcodes on the their shells are the same or not when you buy.