1. Material of Pillar Lamps Solar post lights for outdoor use are made of aluminum with a powdercoated surface for yellowing and weather resistance. The glass is impactresistant and thermally stable for harsh environments. 2. Solar Post Light The solar pillar light is rechargeable via solar panels. Fully solarpowered, energysaving, and costeffective with no additional electricity bills. After 5–7 hours of charging, the light illuminates for 8–10 hours. 3. Wide Application Our LED base light is not only ideal for illumination but also for decoration. Solar outdoor wall lights are for porches, terraces, garages, courtyards, backyards, hallways, balconies, gardens, corridors, etc. 4. EASY INSTALLATION Simple installation with no wiring required. Just screw the solar cap lights onto the post. Easy mounting on any 4 x 4, 5 x 5, or 6 x 6inch wooden posts. There is an insulating label on the back of the light. Please remove it before charging. The solar post light will then function normally.