【High Brightness & Low Power Consumption】: Rechargeable and eco-friendly lamp with a built-in rechargeable lithium battery that can be charged via the included USB cable. Charging time: 90-120 minutes, discharge time: 2-3 hours. 【Lightweight Design】: Mini USB rechargeable LED flashlight with USB cable. Lightweight: Ultra-lightweight, small size, and portable, weighing only 30g. It's so easy to carry wherever you need it. 【Durable Stainless Steel Body】: Made of high-quality stainless steel with an advanced, waterproof design, superior to aluminum and plastic lamps. Metallic feel. 【Multiple Applications】: Not only used in medical examinations in hospitals and schools, for home, school, office, outdoor activities, by nurses and doctors, but also for illuminating the dark night or in emergencies. 【3 Pack】: Includes 3 penlight packs and 3 USB charging cables.