High Brightness, Low Power Consumption: Environmentally friendly rechargeable lamp with built-in rechargeable lithium battery, which can be charged via USB cable (included). Charging time: 90-120 minutes, discharging time: 2-3 hours. Lightweight Design: USB rechargeable mini LED flashlight with USB cable. Lightweight: Ultra light, small and easy to carry. carry, weighing only 30 grams. Convenient to use and take it anywhere you need it. Sturdy Stainless Steel Lamp Body: Made of high quality materials. Made of high quality stainless steel With advanced waterproof design, superior to aluminum and plastic lamps. Metallic feeling. Wide application: not only used for medical examinations in hospitals and schools, homes, schools, offices, outdoor activities, nurses and doctors, but also can be used for medical examinations in hospitals and schools, homes, schools, offices, outdoor activities, nurses and doctors to illuminate the dark night or emergency situations. 3-pack: includes 3 light