Protection Degree of Protection - IP67 / NEMA 6 UL Certification UL844 - Class I, Division 1 (Groups B, C and D) / Class I, Division 2 (Groups A, B, C and D) / Class II, Division 1 (Groups E, F and G) / Class III UL1598 Specification Volt.: 120V / 277V AC Watt.: 40W / 60W Amps: 40W (0.14A~0.33A) / 60W (0.22A~0.5A) Frequency: 50Hz / 60Hz Power Factor: cos≧0.9 Ambient Temperature CID1: -40°C ~ +40°C, T6 CID2: -40°C ~ +40°C, T3C CIID1: +40°C, T4 Optical Information CCT : 3000K (Warm White) / 5000K (Cool White) CRI : Warm White≧80 / Cool White≧70 Lum/Watt. : ≧ 95 (Warm White) / ≧ 100 (Cool White) Beam Angle : X-110° / Y-110°