These amazing solar line lights feature a detachable control box, which can be charge via a USB connection, or by Solar Power. They're suitable for all year round and have a winter power saving mode making them perfect for parties or just for decoration. Complete with 8 different lighting options. Additional information: Length from Transformer to First light: 2 metres Weight: 600g Distance between lights: 10cms Total length of light: 12 metres Panel Dimensions: 16.3cm x 9.1cm x 1.2cm; Tube Dimensions: H12 x Dia. 4cm Please note: To create a more innovative look, this light has been designed to incorporate the LED within it. The integrated LED is not replaceable but has a lifespan of up to 20,000 hours. LEDs use around 85% less energy than incandescent bulbs and will last up to 20,000 hours.