80W/circular/120-277V/IP55 [CH4-80E] High-pressure die cast aluminum frame and stretched aluminum housing with powder coating finish. High purity aluminum reflector with vacuum coated inner surface. heat-resistant polycarbonate or tempered glass lens. Heat-resistant gas-tight silicone rubber seal. Timer dimming function available upon request. Globe type induction lamp features high lighting efficacy, long lifetime, good color rendering, stable output, etc. Electronic ballast features high power factor (>0.95), flickering free, low loss, constant output, etc. Specifications Input Wattage (W) 40  70  80  Input Voltage (V) 120~277 120~277 120~277 Input Freq. (Hz) 50/60Hz 50/60Hz 50/60Hz IP Degree IP55 IP55 IP55 Dimensions   Photometrics   Ballast/Lamp