Features : -【 Triple Capacity Is Easy to Use 】There are 3 Simple Modes of Operations: GREEN light mode for light pest infection, BLUE light mode for middle pest infection and RED light mode for severe pest infection.Easily switch between each mode with a push of a button.  -【 Child & Pet Safe 】Using advanced ultrasonic and electromagnetic wave anti-insect waves, no chemicals, non-toxic, and low power consumption, you can expel bugs, mice, cockroaches, ants and spiders without worrying about children or animals. It is an environmentally friendly substitute, which can replace dangerous poisons and sprayers, chemicals and traps, without bad smells and dead bodies.  -【 Effective & Large Coverage 】This ultrasonic insect repellent equipped dual microchip system and is suitable for rooms around 1600 square feet. Since ultrasound can not Penetrate through walls and solid objects, It is recommended to put one in one room. For areas where severe pests are severe, additional units are needed. No noise in the bedroom can influence your sleep.  -【 Wide Applications 】Our bug repellent can help you drive away all the pest, like spiders, mice, mosquitoes, rats, roaches, ants, snakes and so on. Great for indoor use, such as home, bedroom, living room, kitchen, office,warehouse, hotel, etc.     Specification : Color: Black/White;  Plug: EU Plug/US Plug(Optional);  Power Source: AC 110-230 V;  Output Power: 3W;  Frequency Range: 20-50KHz / 15-40KHz / 10-50KHz;  Effective Coverage Area: 1,600 ㎡;  Size: 13 x 8.5 x 3cm/5.11 x 3.34 x 1.18'';     Package Included : 1 x Ultrasonic Insect Repeller