Ultra-slim design: The Stylus USB pen light has a lightweight, compact body that fits easily in pockets, tool kits, or medical pouches; Suitable for medical staff, law enforcement, technicians, and users who need a pen light for close-up tasks or low-light environments. Reliable White LED Output: Produces bright and steady lighting with extended runtime, ideal for inspecting and working safely in confined spaces Long Runtime & Fast Charging: Runs up to 1.5 Hours on high or 3.5 Hours on low; rechargeable battery charges via USB in about 2.5 Hours; includes USB to micro-USB charging cable Professional Applications: Perfect for technicians, first responders, medical staff, and everyday users who need a durable, reliable penlight for low-light environments Built Streamlight Tough: IPX4 water resistant and 1-Meter impact resistance tested; water-resistant sliding metal sleeve protects USB port