This string light allow to connect to timer battery case or USB controller for use, that is mean customer can chose different way of power sources according to different occasions. The battery case has timer function, once turn on will automatically turn off after 6 hours, and lighting again after 18 hour, so 24 hours cycle work. Save the trouble to turn on and off every day. Featuring with waterproof and safety voltage operate, it is indoor and outdoor occasions. 

Features:

• Length of light string:10meter/32FT
• The number of beads: 100PCS LED/PCS
• Color: Cool white
• The controller has 8 different lighting modes: combination, in waves, sequential, slogs lo, chasing/flash, slow fade, twinkle/flash, and steady on.
• Battery required: AA x 4
• USB charger Output: 5V 2A MAX
• Note: The battery case and the USB Power controller are Rain Resistant Only. NOT FOR DIVING