Fangrui Product Details [metal Casing]compared To The Common Plastic Casing, Our Solar House Numbers Are Made Of High Quality Materials All Over The Body To Improve Its Safety Against Bad Weather, Making It More Solid And [0 Electricity]no Need To Connect Electricity, Solar Charging, Using Monocrystalline Silicon High-efficiency Solar Panels, Be Faster Than Polycrystalline Silicon Solar Panels, Charging Time Of 6-8 Hours, Use Time Of 8-12 Hours [three Light Changed]lightly The Side Button, You Can Choose White Light 6500k/warm Light 3200k/neutral Light 4500k Three Light Colors, Long 3s To Turn On/off The Light, The Button Is Dimming [function]: The Solar Number Light Can Be Under And Sunlight, Automatically Turn On When It Is Dark, And The Clear House Number Display Is Easy For Visitors To See. [flexible]: The Solar Led House Light Is Quick To Install And Disassemble Without Wiring, Including The Wall Fix Device, One-button Switch Built-in Inside The Light Body, Simple Operation And High Photoelectric Conversion Rate. Siz