Features: 1. Intelligent frequency conversion, efficient mosquito repellent2. Safe mosquito repellent, environmental protection without interference3. Physical insect repellent and mosquito repellent4. Smart chip, efficient mosquito repellent5. ABS safety material, flame retardant material Specifications Colors: White, Black Size: 9.7*6cm Material:ABS weight:60 describe: HOW IT WORKS - This ultrasonic squirrel repeller works on a biological level by sending out ultrasonic waves to send squirrels and other unwanted guests back to nature. This means no dead squirrels, rats, mice, flies or bugs for you to clean out of your house A unit is 100-800 square feet. ENJOY LIFE IN A PEST-FREE HOME - While this ultrasonic repellent is designed to eliminate squirrels, it's also good for mice, rats, flies, bugs, mosquitoes, fleas, and cockroaches. We are real people who use our own products every day. We want the best for our families, and we want the same for yours. Click the "Add to Cart" button now to grab this offer before our limited time offer expires Product Specifications 1. Voltage: 100-240V AC, 50/60HZ 2. Power: 2.5w 3. Output audio: 20-65KHz Electrical plug-in installations: No outdoor, hot, water or other liquid or humid environments. Covers 100 to 800 square feet with no obstructions in front of the unit that could block the ultrasound. PackList:1*Pest Repeller Ultrasonic