This cozy party lighting from Luxform Lighting is powered by 3x AA Batteryeries (not supplied) meaning they can be set up and enjoyed in super quick time .The set is supplied with 20 clear G45 bulbs which offer a super stylish and classic look, additionally the lights have 8 separate functions and a handy onoff button. The lights feature an energy saving timer function which can be set to turn the lights on for a 6 hour period over 24 hours to save energy. Bulbs are placed every 30cm with a very generous total cable length of 6.05 metres.