Illuminate on demand with this luminescent light bulb keychain! Measuring at 2.38" x 1.25", this light bulb keychain brightens dark paths when you're on your evening walk. This tiny but practical product comes equipped with a key ring attachment, so you can easily attach it to your purse, handbag, backpack, or car keys. Superb for everyday use, or take it with you while traveling and vacationing. With customization offered, you can add a brand name, logo, and message. Purchase this light bulb keychain today, and shine a light in the darkness!