Quality/Safety Certifications: CE By converting sunlight into electricity，the solar panel charges the battery during the day. The built-in controller turns the light on automatically at dusk. MAIN FEATURES: Operating time More than 8 hours Brightness 9000mcd (Yellow) 6000mcd (White) Bright Colour Yellow Geen White Red Blue Purple Double-color Three-color Colorful Solar Power Mono(Multi) Crystalline Solar Cell Light Source Extra Bright LED Lamps Battery Rechargeable Ni-Cd-Battery Material Stainless steel Height 26cm