Solar Lawn Lamp Mono- crystal silicon solar panel, high-efficiency battery module and microchip lawn lam 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 suit able configures according to your actual application environment.