We listened to your feedback. The Stylus Pro USB rechargeable pen light features a slimmer design. It provides the flexibility of charging on-the-go using virtually any USB power source. Now shining brighter at 350 lumens.Features:- Lithium ion battery recharges in-product in 2.5 hours- Charge indication LED: LED Red - Charging- Durable anodized machined aluminum construction- gasket-sealed glass lens- Water-resistant sliding metal sleeve protects USB port- Push-button tail switch — momentary or constant on operation- IPX4 water-resistant, 1m impact resistance tested- Includes removable pocket clip and tear resistant nylon holsterSpecifications:- High Lumens: 350- Run Time: 3.50 hours- Beam Distance: 109 meters- Battery Type: Lithium Ion Cell Pack- Battery Quantity: 1- Length: 5.95 inches (15.11 centimeters)- Weight: 1.80 ounces (51.03 grams)