... BATTARY 2V/90MA solar panel working time:15h solar led christmas decoration light string with faceetcsolar x'mas decorative light, solar ... trees, mail box, window sills and planters.² Widely used in Christmas decoration, also used in other festivals, party, square, club, ... -saving: non use of electricity, but the unlimited solar energy.² Long working life: can work for about 100000 hours, led light ...