No manufacturer can promise 100% to catch mice. Mouse is a very clever animal. If the mouse saw the companions were any mouse catching device to capture, the brain can be 2-3 months of memory, so it will be away from the mousetrap. So you need to pretend catching bottle,(use newspapers, cartons, shopping bags, rags, etc.) When the mouse share enough food, they don’t need to eat the bait the mousetrap in the bottle, unless your bait attractive enough. So, if there is no mouse capture, please confirm whether you have camouflage catching bottle? Is there a sufficiently attractive bait? Mice with a large number of bacteria and flea, catching bottle design is when mice captured it on bacteria and fleas entirely sealed in the bottle. Don’t have to worry about the smell of nausea and dangerous bacteria that have caught the mice. Capture post processing method: 1, When the mouse capture needs after the bottle up, replace the lid. Placed 20 hours or so will naturally die. 2, 25 minute exposure to the sun immediately died 3, About rapid shaking, 1 minutes of death Warning: do not open the lid, add water. Rats might get out. Please note: 1, the mouse is a cunning animal, it may take a few days to capture. 2, away from the same trap, different places. 3, other products placed catching place, don’t put this product 4, confirm the installation is complete, to avoid the rat escape. 5, don’t let the mice get food easily in other places. As long as you spend some dollars, you can avoid the threat caused by the bacteria in mice. why not choose a safe and easy way to solve your troubles.