... around into light guide panel, more efficient dissipation,Energy-saving up to 50% High-intensity LED panel light Power consumption: 40W LED ... (white) Color temperature: 2,700 to 3,300, 4,000 to 5,000 and 5,700 to 7,000K Colors: red, blue, white ... ,000 hours Operating temperature: -20 to 40°C Storage temperature: -20 to 60°C Operating humidity: 10 to 80% RH Humidity storage: 10 ...