wireless doorbell,remote doorbell,door chime,battery operated,factory hot sales item,25pcs-Melody optional,chime in 8 languages wireless doorbell,remote doorbell,door chime,battery operated,factory hot sales item,25pcs-Melody optional,chime in 8 languagesSpecifications:Remote Range:30-50M (in open area);Chime: saying "Hello,Welcome" in English,Arab,Russian,Korean,Italian,Portugal,Spain,French, ...