زنگ بیسیم 36 آهنگ برقی مدل 6868 با برد 150 متر برای هوشمند سازی کاربرد دارد . ولتاتک پیشرو در تامین و واردات قطعات هایتک *Unique Shade Wireless Door Bell *Using ABS flame retardant material *High precision electronic material *Using high quality speaker, make the doorbell output 36 pure music *Four block volume adjustment 1.With Europe and the United States top design style, fashionable and contracted apperaance, make the door bell to adorn the beauty of the family                            2.Unique product appearance with patent 3.With digital double panel circuit design, stable work, robust and relible in performance. 4.With humanized design, including the double-sided adhesive, do not need to ask any professional personnel, users can install the doorbell by themselves Type : Wireless Door Bell Material : ABS Combination : 1 transmitter 1 receiver Color : White and Black Certification : CE, RoHS Music : 36 Melodies Power Source : Battery, Plug Design Style : Modern, Minimalist Application : Hotel, Villa, Apartment, Office Building, Hospital, School, Mall Warranty : 12 Months