... wireless doorbell,remote doorbell,door chime,battery operated,factory hot sales item,25pcs-Melody ... 8 languages wireless doorbell,remote doorbell,door chime,battery operated,factory hot sales item,25pcs-Melody optional,chime ... 0*50.5*49.0CMQTY/CTN:120PCS;G.W.: 19.0KGSN.W.: 17.0KGS20": 371CTN,55650PCS Remarks: We, ... step of the way,from Design,R & D,Mold Making,Toloing Manufacturing,till products are ready ...