The product has never been used, the packaging was damaged during transport. Unopened product, repacked in our warehouses, in perfect working condition, warranty included. Upgraded version & improved frequency: This item is an upgraded ultrasonic repeller with an improved frequency, which is higher than the normal repeller on the market. Uses advanced ultrasonic technology to disturb spiders, mosquitoes, cockroaches, ants, flies, insects and fleas with their nervous system, making them uncomfortable and forcing them to do without it. And they won't come back. Convenient and portable: Large battery capacity, the outdoor mosquito repeller can work for 7 days, micro-USB charging, no need to plug it in, you can take it wherever you go, protecting you from mosquitoes or other insects. Companion for camping or travel. With a rope, you can hang it around your neck or attach it to your bag. Tick and flea prevention for dogs, cats, pets: Simply hang a portable repeller on your dog, cat or pet that can repel fleas, ticks, lice, mites and other insects, this helps your pet get rid of skin problems. Long-lasting outdoor protection guaranteed: The ultrasonic mosquito repeller provides long hours of protection against mosquito bites. It is an essential item for all outdoor activities, especially for camping, hunting, mountaineering, running, hiking, traveling, fishing, barbecuing, gardening, picnics, golf and even simple barbecues. Keep mosquitoes away and enjoy outdoor happiness. Safe and environmentally friendly: The ultrasonic repeller is a safe and environmentally friendly pest control solution. No chemicals, no poison, no odor, no radiation, no noise, 100% safe for your families and beloved dogs or cats. Flushes out insects or rodents instead of killing them, so no nasty corpses are left to clean up.