Laptops are a must-have accessory-they go everywhere these days. And when working on the go, nothing decreases efficiency like having to hunt around for a WiFi signal. Our key chain does 3x duty, cutting down on the number of gadgets they'll have to haul around. includes a super-bright led flashlight & wifi detector range of up to 300 feet measures 1 1/8" x 3/8" x 2 7/8" long overall