Our Casper LED Light, Bottle Opener, Keyring, Tape Measure features a distinct grip area for a comfortable hold and comes with a powerful COB light covered in clear PS plastic, activated by a convenient black slide on/off button on the right side. Includes a stainless steel bottle opener, a 1-meter tape measure, and a stainless steel keyring with swivel. Powered by four replaceable mercury-free LR41 batteries with an easy-to-replace battery tab in the back. It is perfect for on-the-go use.