Detailed Product Description Desk LightA: Rated Capacity more than 900 Mah.B: Long-life battery Durable recharging period more than 300 times. C: Use 18 long-life high brightness LED bulb.D: Two available option: you can turn on power-saving 8 LED or lighter and further 18 LED.E: New feature: It can be used as a night light, when you are sleeping.