Protect yourself from harmful germs. Handheld device uses UV-C light to sanitize surfaces by eliminating 99% of the germs that cause colds and flu, including e-coli, salmonella, mold, fungus and MRSA. With the wave of your hand, purify countertops, sinks, utensils, keyboards, cell phones, toys and more. Safe, effective, yet free of dangerous chemicals. Also works as a flashlight. 4-Watt bulb lasts 9,000 hours. Requires 4 AA batteries, not included. 6 1⁄2" long x 2 1⁄4" wide x 3⁄4" high.