Mighty Bright LED Keychain 2-Pack: Black and Silver Item: 92-80712 UPC: 729578807124 Series: Mighty Bright Lights Category: Lights & Accessories Format: Accessories This 2-piece pack from Mighty Bright is the perfect item for almost any occasion! It contains 2 small portable keychain LED lights, one in black and one in silver. The lights feature a convenient tap button or constant-on switch, and each bright white energy-efficient LED last 100,000 hours. They"re made of strong lightweight polycarbonate and measure 1.7"L x 0.9"W. The pack includes 2 CR2016 lithium batteries.