Bán Chuông cửa không dây chống thấm nước chất lượng cao giá tốt nhất

★★★ The most sophisticated bell of the century It suits you who want to put the receiver on the 2nd floor or the 3rd floor. Waterproof and rainproof Smart PAIRING SYSTEM A pairing button with several recipients (to infinity) Receiver can be watered with several buttons (maximum 33 keys) It is suitable for those of you who want to use some buttons with 1 receiver, or some receiver with 1 button. Or some buttons with some recipients Equipped with MEMORY Other brands will restart if you switch plugs or turn off lights that require you to reset melody Multi MELODY SELECTION Indicator light on the button and receiver Package contents: - Receiver. See video review and comparison of bell to bell on Tuku-mart channel on yxutxbe ★★★ Note: Please give your best review of this product when the order reaches its destination.