USB lamps using 2w LED lamp running on 5v via a USB connection. Very low energy consumption and can be plugged into any USB phone charger, USB port on a computer or a USB port on a 13A socket if available.
The base is moulded and polished concrete with the colour achieved with a small amount of cement dye.
22mm copper tubing is used from the concrete base and also in the lamp head. 15mm copper tube is used for the upper section. All polished on completion.
As switch is provided in the lower copper section.
Note that most G4 style LED bulbs are rated at 12v and will not work with the 5v provided by the USB interface. Special long lasting bulbs are used in these lamps