About Product:The appearance of new products, wearing a lightweight and comfortable; widely suitable for night work, family emergency, and night outdoor activities; built-in lithium battery, rechargeable, long life capacity of up to 9000mAh; the battery 500 times for rechargeable charger; can be equipped with or can be connected to the computer USB interface charging; using high power LED energy saving, high brightness, long life; light intensity and light optional.