Why Choose SFV-Solar Pathway Lights? Because Its Quality Is Very Good! And We Can Provide After-Sales Service If There Are Any Quality Problems Within One Year After Purchase! How Do SFV-Solar Pathway Lights Switch Light Mode Changes? No Need To Open The Top Cover! Press The Power Button In Sequence To Switch Between: Warm Color, Rgb, And Fixed Color Modes. How Long Is The Lighting Time Of The Solar Lights: Built-In 1000mah Nickel-Hydrogen Atom, They Last Up To 14h When Fully Charged By Sunlight And Light Up A Whole Night. What's The Lumens Of These Lights? 4 lumens. What Should I Do If I Receive A Package And There Are Missing Accessories Or If I Encounter Quality Problems During Use? Please Contact The SFV Home Staff As Soon As Possible. We Will Resolve The Issue For You As Soon As Possible!