Features: 180 lumens of widespread light (on high) ideal for reading and other close-range tasks Switch to low mode for extended runtime of 21 hours USB rechargeable with charge indicator Lightweight and sleek design at under 3 ounces Specifications: High Lumens: 180 Run Time on High: 4.50 hours Run Time on Low: 21.00 hours Battery Type: Lithium Polymer Cell Battery Quantity: 1 Length: 2.70 inches (6.86 centimeters) Weight: 1.60 ounces (45.36 grams) Colors: Black Yellow