<ul><li>Color temperature: 3,500K</li><li>Average lifetime: 12500 hours</li><li>Lumens (light output): 3200</li><li>Product Dimension: 1.5\" x 1.5\" x 7.0\"</li></ul><br><br>Brand: ushio - family: amalgam - wattage: 42 watt - bulb type: CFL - base type: gx24q-4 - color temperature: 3500 Kelvin - CRI: 82 - life hours: 10,000 - lumens (initial): 320.

Ushio BC8883 3000536 - Amalgam - CF42TE/835A - 42W - 4-Pin GX24q-4 Base - 3500K - CFL Bulb