Input Voltage: 100 ~ 277Vac Input Frequency: 50 / 60Hz Power Factor: 0.95 Surge Protection Level: 6kV line-earth Working Environment: -40℃~ +45℃, 10% ~ 90% RH CCT: 3000K, 4000K, 5000K, 5700K CRI: ≥70 Housing: Aluminum IP Rating IP65