Solar Lawn Lamp SYTC-05S Mono- crystal silicon solar panel, high-efficiency battery module and microchip lawn lamp controller Colors of light sources: LED white / blue / green, or according to the client's demand Continuously working for 8 hours every night, and stable performance in 3-4 days when overcast and rainy Working environment temperature: -35-70 Exterior shell: aluminum alloy Color: black or according to client's requirement Windage will happen by the actual average sunlight hours, continuous overcast and rainy days, please customize suitable configures according to your actual application environment.