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.
The best way I can think of to understand MOA at distance is to think of a laser pointer run through the barrel of your rifle. If you began with the laser dot on the center of the X-ring of a target standing at 100 yards and the barrel angle was increased 1 MOA, the dot would then be about one inch high at 100 yards.