Features: With hooks you can hang it outside. The lithium battery can be charged using a micro USB cable (not included). Indispensable for all outdoor activities, especially for camping, hunting, climbing, running, hiking and more. Pest Control Ultrasonic Insect Repellent uses the latest ultrasonic and electromagnetic waves to repel mice, rats, spiders, ants, insects, cockroaches, mosquitoes, fruit flies, fleas, crickets, gnats , insects and rodents. Specifications: Power: 1W DC5V/1-2A Material: ABS Size: 50*13.5mm Operating Current: 1.8 MA Effective range: 10-70 Battery Capacity: 100 mAh Sound frequency: Power supply 15-95khz: USB Charging Output Frequency: 13KHZ -95KHZ Battery Type: Polymer lithium battery Color: White Package Contents: 1 X Insect Repellent