... bell,digital doorbell,door chime,factory low price,flashing while music sound,use battery,30-50M remote range,OEM wireless door bell ... ,digital doorbell,door chime,factory low price,flashing while music sound,use battery,30-50M remote range,OEMSpecifications:Remote Range: 30 ... -50M( in open area);"Flash Light Only"/"Flash Light + Music"/"Music Only", 3 modes for option while belling;Built-in 10pcs ...