Universal C240PUNVHP B (2) Lamp 40 Watt CFL 120 277 Volt Programmed Start 1.0 Ballast Factor Outdoor Use These flood lights" 7 139 Pack Size:20 These flood lights" 7 139 3000K Warm White light at 450 lumens can reduce years of energy costs up to 90 percent compared to a 40 watt standard incandescent bulb with the same brightness while cutting out any mercury content and reduces the aging effect that comes from competing bulbs while also last up to 25000 average rated hours Ideal for indoor residential and commercial use in recessed and track lighting CSA certified and UL rated for outdoor usage This electronic fluorescent ballast operates up to two 40 Watt CFL lamps at 120 277 input volts