Each featuring a genuine Made-In-Japan Nichia 5mm LED emitter (NSPW500GS-K1, 82KS1N-c0W) Luminance of up to 35000mcd (rated by Nichia) -- traditional LED keychains max out at around 20000mcd Slide on/off switch, or press keychain for momentary on Powered by CR2016 batteries (included and installed)
These little buddies are great Christmas or birthday gifts for anyone. Women appreciate them for safety and needed light for their car doors and such. Kids love to play with them in the dark. You can't beat this for an inexpensive and practical gift.