LED string life expectancy up to 10 yrs (100,000 hrs). Bulb hue modified to match soft light of traditional bulbs. Extremely energy-efficient. Eco-friendly. No heat. Safe and reliable with no bulbs to change. 20 warm white LED lamps, 15cm space between lights. Overall length of the light string is 5 metres or 16' 4". Distance from first bulb to the last bulb is 3 metres or 9' 8". Distance from plug to first bulb is 2 metres or 6' 6". Colour of the cable is clear. Ball measures approx. 5cm across. Fitted with a fused 3 pin British plug. LED string itself can be used both indoors and outdoors. Plug must always be connected indoors. Note: Ball decoration itself is not designed for outdoor use. Product specifications: CE approved and meets the European Safety Standards EN60598-2-20. Complies with the European Low Voltage Directive 2006/95/EC. Plug complies with trading standards BS 1363. Packaging: Packaged in a lovely box with a recyclable view window. WARNING: Not suitable for children under 3 years. Box dimensions 24 x 17.5 x 6.5 cm. PRICE INCLUDES SHIPPING IN THE UK.