... has 20 bulbs, twinkling and constant shinning, can plug in ground and wall, charge solar in daytime and shining at night automaticly, ... constant shinning 20hrs, twinkling 40hrs.Can set time and charge type. Diefferent of LED numbers,CE, ROHS, IP44 certification ... is solar operated ones, they charge up during the day, automatically illuminate at dusk and switch off at dawn. Package ...