Azacus Long Arm Study Desk Light with 3 Shades Touch Control Light Advanced Pen and Mobile Holder Design Ultra slim, lightweight and contemporary design study lamp that comes with the inbuilt rechargeable option. It can be connected to a power source as well as any USB port for recharging. It has single button operation with five function feather touch options. On first touch it switches on, second, third and fourth touches are used for increasing the intensity of light while the fifth touch will switch off the lamp. It comes with integrated sixteen white light LEDs. Pen Holder Design is Perfect for those who want to study in Night. Pen Holder also has the glowing light at below.