... transformer,easy installation,maintenance free,saving more energy.2.Triphosphor tube,high light efficiency,high CRI,high energy saving rate.3.Multiply types to ... fashion closes lighting. Caution: always be certain that the lamp is seated properly in both of its sockets. Be sure ... : 14W/21W/28W 6Power factor: 0.65/>0.97Light source: Mixture Powder/Triphosphor Tube 8Color tempreture: 2700K/4100K/6500K ...