Big Cheese Ultra Power XL Outdoor Bait Station. The Ultra Power XL Outdoor Bait Station from The Big Cheese provides a secure and tamper-resistant housing for rodenticides, required by law when baiting rats and mice – and just like the professionals use. The bait station has been developed for use with any type of bait in outdoor locations and comes with 4 galvanised metal ground pegs. For complete control in wet conditions we recommend using All-Weather Block Bait from The Big Cheese. Clear inspection lid.