Unveil the darkness with the GE CFL Single Biax Bulb. It illuminates nearly 825 lumens of 13Watt power brightness for up to 10000 long hours. Its convenient base offers it to be plugged or pinned to the socket. It is energy efficient and saves considerable cost on your bills.Features Contains mercury Energy smart 825 lumens 13WattSpecifications Brightness: 825 Lumens Light Appearance: 2700 Kelvin Bulb Type: GX23 Bulb Shape Type: Biax Overall Length: 7.3" Type: CFL Replacement Bulb Watts: 13W Quantity: 1 Length: 11" Width: 2.5" Voltage: 120V Average Hour Life: 10000