1, high quality glass lampshade is used, large beam angle 133â°. It provides lighting source of high quality, with high color rendering index and good color reproduction. It also compliants with the iec/en 62471 (photobiological safety of lamps and lamp systems, for eye and skin safety). 2, high luminaire efficacy up to 155lm/w with low energy consumption, that means our product can easily meet illuminance levers required by different applications. 3, safe and easy installation, install into existing t8 fittings or direct connection to the mains. Suitable for use in fixtures where ambient temperature is between -20â°c and 45â°c. 4, its service life is extraordinarily long (60, 000 hours) and offer the consumer up to 75% savings on lighting energy bills and maintenance cost. Up to five years warranty. 5, it is certified by vde, ce, saa, emc, rcm, erp and rohs.