It features 10 metres in length and 100 bead bulbs. The battery slot is waterproof so that it can be used both indoor and outdoor. It features steady or flashing lights with a timer where the lights automatically turn off after 6 hours. Then, with its memory function, it automatically turn on the same time as last time you switch it on. There are 3 colours available and you can choose either cool white, warm white and multicolour light. It requires 3x AA Batteries. Batteries and tree are NOT included.