LED Key Finder Keychain

From Giftcraft, Inc...

Attach keys to the ring and, when keys are lost, simply whistle, clap, or shout and follow the locator sound or flashing light to retrieve keys.

• Requires 2-LR4 Batteries, included. 
• Available in four colors: Black, White, Blue, and Red

DIMENSIONS: 1.1"W x 2.3"H

WEIGHT: 0.8 oz