Rat Zapper Classic Mouse & Rat Killer. It works as a mice zapper trap as well as for average size rats. It is easy to use. Insert batteries, bait, turn it on, place, & relax. It is hands free no touch, no view disposal. Clean up is easy & it can be reused indefinitely. There is no blood, mess, chemicals, or poisons. High 8,000V 2 plate design delivers shocklasting 2 full minutes. Red indicator light flashes repeatedly upon kill. Set of 4 "AA batteries equal 20 kills. It hasbattery replacement notification. It is safe & sanitary. While always wise to use caution around kids & pets.