... with Electromagnetic Multifunctional High Power Pest Control How to work: 1. The red color ... can also lustrate kinds of pest, like cockroach, spider, flea, bedbug, ant, termite, bee, honeybee, scorpion, snake, etc. ... :it applies to the which could not use poison bait and pesticide, eg.: flour processing factory, food processing ... ourtput frequency: 20--55khz Multifunctional High Power Pest Control