Pre-Lit LED Fibre optic Tree has multicolour flashing effect and can be assembled with the minimum of effort. Changing light effect- Our multi-coloured Christmas tree owns many branches covered with hundreds of tiny fibres create an amazing visual feast, and the light will not do harm to your eyes but brings fantastic festival atmosphere 2 in 1: Use tree with Diamonds or without Diamonds: Diamonds come separate in the box which you need to put on LED lights given on the tree. Easy to put and take off. Come with stable strong metal stand and UK plug support. Easy to assemble Steady ON/Flashing/OFF Modes: Three modes given to change lights effects. Set to steady mode if flashing lights causing headache or migrane.