General description The Black Ultrasonic Mosquito Repellent is a portable and electronic device designed to effectively repel mosquitoes and other insects. Utilizing advanced ultrasonic technology, it creates an uncomfortable environment for insects, encouraging them to leave. With a guaranteed long-lasting outdoor protection range of approximately 10-60 square meters, this device is perfect for various outdoor activities such as camping, hiking, fishing, and barbecues. Technical specifications Effective range: 10-60 square meters Ultrasonic frequency bands: 13-25KHZ, 26-35KHZ, 36-45KHZ, 46-55KHZ, 56-65KHZ, 66-75KHZ Battery: 100mA rechargeable lithium polymer Usage Ideal for outdoor activities: camping, hunting, climbing, running, hiking, fishing, barbecues, and picnics Simply hang the device on your waistband, backpack, or stroller for effective mosquito repellent Also helps repel mosquitoes for pets, alleviating skin problems Other information USB charging with included cable