The 9 Volts lamp was at first a prototype design, and now has gone into mass production. The simple idea has attract many praises. You just need to clip the LED light to a 9 volt battery (supplied). The 9 Volts LED has also a tilt switch, stand up to turn on and lie down to turn off. The lamp works with regular or rechargeable batteries.
Currently the online store has a promo offer – 5 (3 Red and 2 Blue) 9 Volts for the price of 4, usually worth £65 but yours for only £52.