1、There is a built-in rechargeable lithium battery in the emergency light, can not only use in illuminating, but also charge your digital devices for emergency purpose when you outside camping. 2、Super convenient, you can carry a backpack or store it at home in case of need. 3、Multifunctional installation: With built-in magnet, allowing you to attach the light to any metal surface. 4、Using the two supplied metal discs with adhesive to attach to any cabinet, furniture, kitchen, library, study, car, etc. You can place it in other ways. 5、Multifunctional usages: Use as emergency light at house bedroom and dormitory. Portable light in camping, hiking, fishing, running, outdoor cycling. Warning light in road warning and automobile examination. Condition: 100% Brand New Item Type: Multifunctional Emergency Light Material: Plastic Color: As Pictures Shown Charging: USB Charging Cable Battery: Lithium Battery Gear: Three Gear Dimming: Strong Light, General Light and Weak Light Lighting Time: 20W/40W- Strong Light 2.5H, General Light 5H, Weak Light 7.5H；60W - Strong Light 3.5H, General Light 7H, Weak Light 10.5H Power Battery Capacity Weight 20W 1500mAh 103g 40W 2600mAh 129g 60W 5400mAh 211g 1 x Multifunctional Emergency Light 1 x USB Cable 2 x Metal Plate with Adhesive