Mosquito Repeller Outed Ultrasonic Electronic Cockroach Spider USB Killer

Features:
6-band ultrasonic infinite loop scan
(13-25KHZ/26-35KHZ/36-45KHZ/46-55KHZ/56-65KHZ/66-75KHZ)
Variablefrequency band will be in return every 2 seconds and all frequency can work together.
Wide Applicable scenes
An essential item for all outdoor activities, especially for camping, hunting, mountaineering, running, hiking and so on.
More safe for child and pet
Thisrepellent is 100% safe and effective. Ultrasonic sound is inaudible to humans and household pets.Environmental friendly alternative to harmful and dangerous
Rechargeable battery
Lithium batteryis rechargeable by using micro USB cable in package.
Portable hook for carrying
Comes with a hook, you can hang it outdoors.