1, no welding points, not easy to break down, small diameter, about: 0.4MM high flexibility, moderate bending, for any shape.
2, low power consumption, high efficiency, long life, easy to install, low maintenance, not fragile, high brightness, cold light source, can be lit for a long time, easy to bend. High temperature, waterproof IP65, green color rich low temperature, energy saving, high security, compact and easy to carry and transport characteristics.
3, Battery case led string luminosity: 360 degrees light, different from the traditional LED lamp 90 degrees -180 degrees
http://www.szokled.com/led-string-lights/battery-case-led-string.html