... with Electromagnetic Multifunctional High Power Pest Control How to work: 1. The red color ... 2. It can be used to drives away cockroach, spider, flea, bedbug, ant, termite, bee, honeybee, scorpion, snake, etc ... machine can also lustrate kinds of pest, like cockroach, spider, flea, bedbug, ant, termite, bee, honeybee, scorpion, snake, ... ourtput frequency: 20--55khz Multifunctional High Power Pest Control