Product Description SPECIFICATION: LED indicator at the front of this unit / Power on/ off switch in the flank Service voltage: AC 180V-250V/50Hz – Power: 8W Output frequency: 20 kHz-55 kHz Effective cover range: more than 150 square meter (without blocks) Uses high frequency sonic waves – No smell, no poison, no fumes Has no side effect or bad reaction to human beings and common pets like cats and dogs
