Note:The Led lights are waterproof but the plug and controller is NOT, Please be sure the controller box keeps away from water Introduction: LED holiday string light contains 250 waterproof LEDs on a 164-feet string of lights that build a warm festival atmosphere. It's very easy to get this string lights work - just plug and play no more procedures or notes. Different lighting effects are controlled by only the button. With eight flashing functions controlled by the button (Combination, In Waves, Sequential, Slo-Glo, Chasing/Flash, Slow Fade, Twinkle/Flash and Steady on). There's no doubt that safety is first and important. We redesign the structure and make the output voltage lower with the electronic transformer, down to a safe range 24V. Also, the lead wire has a 3-meter length, so it is enough safe and convenient to use the light. What's more, this LED string light is low heating generating, Eco-friendly and power-saving, saves energy as well as provides you unforgettable lighting effect. Suitable occasions / events: home, office, restaurant, garden, swimming pool, bedroom, children's room, living room, balcony, balcony window, pergola, terrace, gazebo, pavilion, fence, tent, shelf, bed, cot, for Christmas, Christmas tree decoration, New Year, parties, birthday parties, wedding, dinner party, on trees, mail box, ground fence and planters. Specification: 1.Color of LED: Cool White,Warm White,Mutil-color,Blue 2. Length: 164feet/50m 3. LED quantity: 250 pcs 4. Wire material: Copper inside 6. Color of the string: Green 7. Lead length: 3m 8. Electronic transformer power: 3.6w 9. Input voltage: 110V 10. Output voltage:24V,Safe voltage is 36V) Package includes 1x 50 Meters 250 LED string light 1x Transformer 1x User manual