Door Belll, Mechanical Door Bell (PP3141)

  • Strong anti-interference
  • Low power consumption
  • Idea for home, office, factories, guest rooms in hotel etc..


  • Open the battery compartment cover of the receiver and load 4 x R14/C batteries (Not included)
  • Fix the transmitter on the wall near the door with screws or adhesive tapes.
  • Avoid placing transmitter near high temperature moist area, metal or electromagnetic surfaces
  • Please replace the battery if the transmitter is not functioning properly
  • Package Dimensions10.5x5x17cm

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