This anti-mosquito guard features a battery-less design and is powered by the inexhaustible solar energy. It produces no smell and causes no harm to human beings, pets and animals. Once charged, this unique device can protect you against mosquitoes attack by emitting specially calibrated ultra-sonic high frequency sound.

• Power: built-in (1.2V) rechargeable battery.
• Easy to use and carry around.
• Combined with high-quality key ring.
• Best and reliable companion for camping, hunting, fishing, farming sleeping, live-stock farming, working at night, etc.
• Can repel most mosquitoes away effectively within a distance of 5 meters.
• A full charge can give you 60 hours of using time.
• Weight: 25g.