Usage Tips:1.Product parameters: G23 2pin compact fluorescent lamp, 11 W power, warm white 2700 K Kelvin, 900 lumens, pack of 2 (please pay attention to whether the lamp head is suitable!) 2.Product details: G23 single tube fluorescent lamp, Ushaped tube, colour rendering index 80, 360 beam angle, wider lighting range, bright but not glare, no flickering, eye protection and no fatigue. 3.Energysaving: This CFL energysaving bulb has an average life of 10,000 hours. The G23 energy saving bulb reduces energy consumption by up to 70% compared to conventional lamps. 4.Easy to install: G23 uses a 2pin lamp base, which can be easily inserted into the 2 pins for quick installation. No other additional installation tools are required. It is convenient and fast.