7 in 1 Micro Multifunction Super Pest Control : 4 channels,double speakers pest repeller(mouse+cockroach+pest repeller,and 7 in 1)Super function:1. It can be used to drives away mouse, mice, and rat etc.2. It can be used to drives away cockroach, spider, flea, bedbug, ant, termite, bee, honeybee, scorpion, snake, etc.Main caution: This machine..