SET-UP:
Open the door
Place some bait on the bar (lard , sausage…)Carefully maintain the door open with the help of the tensor under the bar
Place the trap on the path of rats
Black rats : on a roof beam or in the attic 
Sewer rats : in the cellar or the garage 
Check the trap every day
Release the animal elsewhere or eliminate it by drowning 
Keep the trap away from children and pets.

Features:
1)Dimensions:L16"* W5.5" * H5.5" TO L30" * W11" * H12"
2)Safely captures troublesome pests(such as chipmunks,squirrels and raccoons)without injury
3)Gravity action door with spring loaded latch
4)Shielded handle for safe moving of trap
5)Easy to bait ,set and release