... FREE, GREEN & ENERGY SAVING * REPLACE THE TRADITIONAL INDUCTANCE T8 LAMP. NO CHANGING THE OLD ELECTRIC CIRCUIT OF THE BUILDING ... TO OUTSIDE TEMPERATURE.* SURFACE TEMPERATURE IS HALF OF TRADITIONAL T8 LAMP. * WIDE ANGLE ROTATABLE BASE,ASSURE THE POSSIBILITY OF ... LAMP.EXTERIOR FEATURE.* ADVANCED G13 BASE, CAN REPLACE THE TRADITIONAL T8 T9 & T10.* CAST AL SHELL, RESISTANT TO ELECTROMAGNETIC INTERFERENCE. ...