крытый зарядка usb открытый таракан ультразвуковой отпугиватель комаров борьба с вредителями

this product adopts multi-frequency ultrasound to interfere with mosquitoes, causing uncomfortable, and mosquitoes leave automatically. two working modes: at first, use fixed-frequency to expel mosquitoes, and then switched to variable-frequency to prevent pests from coming again. usb charging interface, outdoor portable, small size and compact. it can be used in outdoor activities such as hiking, camping and fishing. lcd d