We have a house in France, home not just to us but also to bats. When we aren’t there, they find their way inside the house and set off the burglar alarm, necessitating a call out and a charge of 50 euros. Once we came back to find two (dead) bats clinging to the curtains, poor little things. We also had campagnoles (small rodents) in the outhouse whose droppings made a real mess. Since installing the Green Shield devices we have no more bats, no more callouts and no more campagnoles. Don’t feel guilty as none of the animals have been harmed and there are loads of old buildings in the vicinity where they can make their homes. This is a clean, humane and highly effective system for ridding buildings of unwanted (animal!) visitors. Thank you so much!