TM-306 Ultrasonic Pest Repellent (family use) with Adaptor UL or CE ==Made in Taiwan== Effective in controlling mice, rats, roaches, fleas, flies, crickets, silverfish, water bugs, months and Other comoon pests. Dimensions:97mm x 88 mm x 104mm Power supply:220-240 Volts AC,50 cycles/DC9V-250mA Power consumptions:1.5 Watts Frequency range:25,000 Hx to 50 50,000 Hz Weight:460gm Coverage:2,000 square feet Output sound pressure:110dB USA EPA Approval