1,This 2.5m 8ft long LED battery operated string provides fairy lighting effect. The whole light is waterproof, suitable for outdoor use, no worry for rain drops.2,Newest Indoor and Outdoor Weatherproof Black Battery Box with ON / TIMER / OFF Feature that is Easy to Hide and Requires 3 AA Batteries (Not Included). It Has Locking Clips (NO MORE SCREWS!!!) to Easy Open and Close the Box.3,Long working time----Can last more than 6 day on steady on mode,more than 1 month on timer mode. Romantic lighting effects illuminates, ideal for decorating your gardens, patio, lawn, porch, gate, yard, etc.4,6 months warranty.Features: Environment-friendly products, high energy conversion rate. Timer Function:LED will turn on again the following day at the same time and turn off after 6 hours. This 2.5m 8ft long LEDs: 20 pcs Modes: steady & flashing Life time: up to 40000 hours Package Includes: 1 * 20 LED Fairy String Lights