Repeater mouse trap needs no winding or resetting. Non-jamming mechanical components and there are no springs or snaps. Clear see through cover provides fast inspection. No bait needed and trap is reusable. Catch a dozen mice at a time and requires no winding, batteries or maintenance. This is the same product as the more expensive Victor Tin Cat Mouse Trap, but this one preferred by professional pest control operators and homeowners every where. Position the trap in known mouse activity areas and curious mice will enter the one-way trap and hold them inside the trap. You can release the mice or dispose of them.