HP-304 Mini Electronic Mosquito Repeller (Variable Frequency) repels mosquitoes away by transmitting a barely audible sound wave that mosquitoes hate. 10 variable frequency adjustment for change the frequencies that suits your needs. HP 304 Mini Electronic Mosquito Repeller (Variable Frequency) contains no chemicals.
Mini Electronic Mosquito Repeller HP-304:
Emits high-frequency, audible sonic waves that drive mosquitoes away.
Lightweight and portable. Can be clip it to the pocket or belt.
No fumes, no odors. Will not harm to humans and pets.
No chemicals, no sprays, no smell, no mess, no electrical plugs, and non-hazardous.
One AA size (UM-3) battery lasts for 3 months for continuously using.
Effective range: 3-5 meters (10~16 feet).