Chuông Báo Động Chống Trộm Gắn Cửa Kính Chất Lượng Cao

điều bất hạnh và đau buồn nhất khi bán hàng là bán lỗ mà ko ai mua-Giá nhập tận xưởng ôm nhiều hàng giờ phải bán lỗ xả để thu hồi vốn.a/c ủng hộ mỗi người mua 1-2c giúp e đi ạ.E chán quá This alarm can be installled on doors or windows or drawers, The way this device works is when the door or window opens, Then the alarm system will go off in a very loud voice!!! No damage to the door is enough to stick to the available double tip The alarm has very loud voice power!!!! To panic thieves Products are very needed by all levels of society The price of products is very affordable for all levels or communities This product is worldwide... It is used to make double tips available. On to use the alarm at night before you sleep or when you 're out of the house. The alarm will be loud if someone opens it. Off if it 's not used.