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.
Pulsed Light delivers wavelengths from 500 to 1200 nm while Laser can deliver only 1 wavelength at a time. Pulsed Light can deliver total pulse durations up to 25 msec or 1235 msec while most Laser can deliver pulse durations up to 40-100msec (and 1 machine can deliver 1000 msec but at only 800nm) Pulsed Light's larger light beam size allows for faster treatment and deeper light penetration.