... bell push,over 100m distance,32 chime sounds, Features, functions:DD-248C Includes doorbell and bell push in Elegant design and ... Shenzhen or Guangzhou;2)Payment Terms: 30% Deposit before production, 70% balance before shipment, OR 100% L/C at sight;3 ... sets for each item;6)Period of validity: one month. (DD-248C) wireless doorbell chime,wireless doorbell,wireless door chime