1 Place the cotton balls in areas where mice are likely to enter your house, by doorways or heat vents, etc. 2  Another helpful deterrent is to grow peppermint plants near the entryways. 3  You can use the mint in cooking as well as it serving a deterrent purpose.
Nov 12, 2015. 20 kilometers (12 miles) for a 1 milliwatt beam. Laser light can travel 20 kilometers (12 miles) per-milliwatt that is contained within the laser.
* Generate a 445nm most powerful blue laser beam that is clearly visible and full of energy up to 30w. * Adjustable brightness and focus to suit all kinds of needs with blue light lazer pointer. * Switch with tail touch settings, push button constant on/off, the use of more convenient and user friendly.