How does Snowfall work? These super bright computer-controlled LED lights will create the magic. Imagine the touch of falling snow on pavements and along with trees a scene that would immediately immerse anybody in a fairy-tale atmosphere. Product Features: Color(s): white bulbs / clear wire . Number of bulbs on string: 12. Double-sided tubes. Bulb size: mini. Spacing between each bulb: 2”. Spacing between each drop: 60”. Total string length: 34 . Weight: 0.044 pounds per tube. Additional Product Features: Commercial grade lights. Super bright bulbs. UL certified and approved for indoor or outdoor use. If one bulb burns out the rest will stay lit. Lights are equipped with a lamp lock feature which makes them replaceable interchangeable and keeps them from falling out. Comes with replacement bulbs flasher bulbs and spare fuses. Contains 1 plug with end connector which allows you to stack multiple sets together (not to exceed 210 watts). Temperature range: 5 - 104 Fahrenheit. Power consumption: 0.07 watts per tube . Life span of LED lights: 50 000-100 000 hours. Certificate: RoHs compliant. Runs on 4 AA batteries but not included. Once the battery pack is turned on the lights will work for 8 hours and then switch off for 16 hours the cycle repeats daily