Victor Professional Electronic Mouse Trap - Kills up to 3 Mice per Setting - M250PRO Kills 3 mice without resetting; Kills 100 mice per each per set of 4AA batteries High voltage shock kills mice in 5 seconds Beveled columns hold mouse in place for 100% Kill Rate  no escapes! Patented 3-plate design Easy to use  simply bait, turn on & empty Smart circuit technology senses mice to trigger electronic shock