WHAT IT REPELS: Mice, roaches, fleas, crickets, ants, squirrels, chipmunk, etc. more powerfully FOUR FUNCTION SWITCHES: TEST = Test tone (Simulates the sounds that rodents hear, check the device can work or not). ULTRA = Ultrasonic sound (Repel mice effectively). TRANS = Pressure waves (Repel squirrels effectively). DUO = Pressure waves + ultrasonic sound (Repel all , rodents, and insects ). Will not affect cats and SAFE & EASY TO USE: Forget the harmful chemicals, , and traps, all you need to do is plugging this device and it will start doing its work to protect an area measuring up to 5,000-6,000 SQ. FT. 360 degree HUMANE & ECO-FRIENDLY: The repeller naturally drives rodents out without killing or poisoning them. No need to clean up dead rodents. It uses high-frequency sound waves to create an uncomfortable environment for rodents so they simply leave typically after a few short weeks of use, the sound will not harm people or cats and as it does not involve the use of chemicals POWERFUL & ADVANCED DESIGN: The squirrel repellent is equipped with a transducer and dual speakers, which can emit high impact pressure wave and 25KHz-65KHz changing ultrasonic sounds to disturb the central nervous systems of in your house. Creating an unfriendly living environment for rodents to discourage them from entering the protected area again in a long term Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on Effective Angle: 360 degree Frequency Range: 25,000-65,000 Hz Operating Voltage: DC 9V Acoustic Pressure: 90-110 dB Application: homes, offices, restaurants, , hotels, warehouses, etc Colour:Silver Material:ABS Size:121.5x121.5x76mm Package Contents: 1* Repeller Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.