Features 16 super-bright LED bulbs, a sturdy base, and swivel head to create the best light for the situation. Requires 6 AA batteries (not supplied). This system is also extremely economical as LEDs require very little energy, and optimise battery life. Aluminium and plastic. Diam. 20 cm approx. Height. 148 cm approx. Desk lamp: 36 LED. Positionable head. Requires 3 R20 batteries (not supplied). Chrome and black. Aluminium, Plastic. Height 51 cm approx.