With the crisp white light of these par 38's, you can also reduce your energy cost by 55%. These bulbs can replace 150 watt reflector bulbs and 90 watt halogen par bulbs. The light beam is also 28% cooler than standard Halogen Pars which is perfect for art projects, meat, produce, and other situations where temperature matters. Specs: High performance, 65 watt, 120 & 130 volts, 2500 hours, par 38, Medium Skirted Brass Base. Center Beam Candle Power-65 watt: Flood = 3500 Spot = 13500 Narrow Spot = 20800.