LED lights set: you will get 40 pieces of warm white LED lights, enough to meet your holiday decoration needs, suitable for a variety of occasions Quality material: this mini battery powered LED light is made of silver-plated ABS and it can be fully submerged in the water without damaging its function Long lasting lightning: each warm white LED light powered by 3 pieces LR41 AG3 button cell batteries (batteries included), it can last 30 hours; The batteries are replaceable Easy operation: twist the base, and take off the insulating strip covering the battery, then screw back the cover, the light will on; Party lights with a hook at the bottom, you can thread and hang them easily Versatile applications: suitable for decoration paper lanterns and balloons for parties, weddings, carnival, birthdays, hotels, anniversaries, restaurants, Christmas celebration, Halloween, shopping mall, backyard, and so on