Multi-use PROTECTA Mouse is a mouse-size bait station, monitoring device and snap trap holder -- all 3 in 1. It features four prongs that hold four BLOX bait, indispensable for heavy mouse infestations. Or use it with non-toxic DETEX BLOX to monitor mouse activity. Once mouse activity is detected, replace the DETEX with Bell's BLOX baits or mouse snap traps. To capture mice without poison or for mouse identification, place TRAPPER Mini-Rex on the studs on the bottom of PROTECTA Mouse. The studs position the Snap Trap in two locations to capture mice - from the side or front. PROTECTA Mouse opens on the side, like a book, making it easy to service when the bait station is flush against a wall. Mouse entry holes line up with the wall. It locks when closed and unlocks with the PROTECTA 2-prong key.