A painless, but effective method of eliminating rodents. Emits a high pitch tone which sweep across a spectrum. Thus, preventing the rodent from becoming immune to the sound. Mains operated transformer, included.
EFK 9000 Two-Tone Door Bell
EFK 9002 Musical Doorbell
EFK 9003 Transistor Intercom
EFK 9004 2Watt Ic Intercom
EFK 9005 Mosquito Reppeler
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