Premium Quality & Good Performance: Size 3 X 2M. The fairy lights string lights have a CE certified plug-in transformer with 192 warm white LEDs in high quality transparent wire and an output voltage of 31V. It is safe enough to be touched after long periods of use and will not overheat. 8 Modes & Memory Function: Combination, waves, continuous change, slow glow, chasing/flash, slow fade, twinkle/flashing, steady on. The built-in memory chip stores the last mode settings and you don't have to reset the mode every day. Choose your favorite mode with one button and light up your romantic life. Waterproof & Durable: The LED cables and string lights are waterproof according to IP44. The fairy lights LED string lights are designed to withstand light rain and spilled water. So they are perfect for indoor and outdoor decorations (please note that the adapter is not waterproof, keep the adapter away from water). The flexible copper wire is made of strong and durable material which is durable