Durable Outdoor Post Light:The lamp light is constructed from excellent materials with rustproof finish,it is durable for years round use outside, and the four sides are made of reinforced glass, which has better light transmission, add a charming atmosphere, perfect to use on the path, decorate your garden, porch or yard..NoticeThere is a switch on the light cover, please turn on it first time. Solar ChargeAuto Light:The light is unique designed with high efficiency solar panel, which ensure perfect working performance. Through photosensitive sensor, it collects solar energy all day and they can turn on the bulb automatically at dusk and turn it off when it's dawn. For your convenience, we provide the rechargeable batteries.It can be lit for 8-10 hours and the charging time only takes 6-8 hours