Supply Piezoelectric buzzers ,Magnetic buzzers,Piezo transducer, Solar Mole Repeller . The buzzers and Transducer applied to telephones , Home appliance, Passenger Cars , safety equipment etc, for alarm .The Solar Powered Mole Repeller works in the garden. And it also works on voles, shrews, and other destructive rodents.
Thursday, May 23
How USB Mosquito Killer Lamp Working
USB Mosquito Killer Lamp Photocatalyst Flycatcher Zapper with 6 LED Night Light Insect Fly Pest Killing
1. Physical principles
1. Using special led light to attract mosquitoes
2.Through a powerful fan suction the mosquitoes into the mosquito box, then mosquitoes will death because of air dried .