... customer's choice: 2U, 3U, 4U, full spiral, half spiral, bulb, candle, globe, lotus etc. TUBEWATTS (W)lamp baselumens (LM)MEASUREMENTS ... efficiency,no flash3.) Long service life, 8000~10000hours4.) More efficient in energy saving,80% more energy saving than common bulb5.) Highly ... policy: Free sample by freight collect Energy Saving Lamp (CFL) in Promo!!!