Similar to deer, cats, and dogs, spiders eyes will twinkle a light right back at your when light hits them. When you look out into your lawn at night, don't be surprised to see 50+ spiders crawling around the grass. And no, it's not dew, go up to most and you will find a spider.

Works awesome with Wolf spiders, which are all over the place.

We have:
Brown Widow Spiders
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Black Widow Spiders
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Wolf Spiders
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Don't know but they are every where
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Brown Reclouse Spiders
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And these crazy things
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