The ultrasonic sound wave will imitate the same frequency as dragonflies to keep female mosquitos away from you. Mosquitos are very sensitive about the created ultrasonic frequency so that they will no longer disturb you; No radioactive and the sound wave is under 45dB, which has no influence on humans.
With a small light shining your surroundings when you are in dark.
A perfect solution for your summer mosquito protection. Safe and non-toxic to human and animal, good company for traveling, fishing, barbecue, camping;
The ultrasonic sound wave can be continuously working for about 400 hours and the light for about 30 minutes.
Pest Type: Mosquitoes Rated Voltage: 220-240V Repellent Type: Ultrasonic Pest Repellers Net Weight: 26g Cycles:8,500- 10,000 Battery: Button Cell Battery Effective Range:1-2m