PAR 38 12 X 3 Watt CREE XPE LEDs High Power LED Lighting. This light has 12 3 Watt CREE LEDs. Up to 1400 Lumen output. Super Bright. Operates 85-265 VAC. E27 screw base. CRI greater than 80. This product measures approximately 4.80 inches by 4.75 inches by 0.99 inches. This light is dimmable by dimmer switch. Nice heat sink to keep the cree xpe leds cool so the last a very long time.