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Wi-Fi Detector Shirt Size XL (XLarge) - A shirt with a built-in Wi-Fi signal detector
Glowing animated shirt dynamically displays the current wi-fi signal strength
Shows signal strength for 80211b or 80211g
Black 100 Cotton T-Shirt - Size XLarge
Runs for hours off AAA Batteries not included
Animated Decal is Removable with hook and loop fasteners for Easy Washing Battery Pack is Concealed in a Small Pocket Sewn Inside the Shirt