Specification:MaterialABSColorBlackPlug TypeEUWorking VoltAC 90-250V 50/60HzWatt 4-6WOutput Frequency25kHz -65kHzEffective Coverage80-120 square meter / 861-1292sq.ft.Dimension2.0 x 3.7 inch (approx)Features:● SAFE & ECONOMICAL - Different from chemical, this product is safe for human and pets. It u..