Princeton Tec Impulse Lights. The tiny Impulse is jam-packed with big features! It has 5 electronic switch settings, including low, medium and high beam, and fast and slow blinking modes. With its quick release, detachable clip and hat clip option you'll want one for every keychain, backpack, ball cap and book bag in the house!

• Princeton Tec Impulse Lights. The tiny Impulse is jam-packed with big features! It has 5 electronic switch settings, including low, medium and high beam, and fast and slow blinking modes. With its quick release, detachable clip and hat clip option you'll want one for every keychain, backpack, ball cap and book bag in the house!
• Compact, water resistant, and self-contained
• Burn time of 36 hours
• 10 Lumens
• 14g with batteries