With gravity sensor, the light goes out when it's turned to OFF, come light when it's turned to ON.
Anti-skid rubber foot for standing more firmly on your desk.
12 energy-saving LED light beads, eye-protection, low power consumption.
Built-in Rechargeable Lithium Battery with 500mA, worked at 3W, no overheat and dependable. The bulbs are long-lasting and need no change, powered by energy bank&USB port&charge connector, no extra batteries required.
The product is a big switch, convenient operation at night.