SHUNNED TORSO ELECTRONICS CO., LTD. ENERGY SAVING LAMP USER MANUAL ® MAY USE ON A STABLE SOURCE OF VOLTAGE THAT FLUCTUATES IN WIDE RANG AC 110V-130V 50/60Hz ® THIS ENERGY SAVING LAMP MUST USE SUITABLE LAMPREY. ® WHEN FIX LAMP, PLEASE TAKE THE PLASTIC CASE, DO NOT TAKE THE TUBE. @THIS ITEM MAY REPLACE INCANDESCENT LAMP TO USE IN INDOOR. OUTDOOR, RESIDENTIAL AND COMMERCIAL LIGHTING. @ NEVER USE IN THE FOLLOWING CONDITIONS: 1) POWER SUPPLY WITH LOW VOLTAGE DC SUCH AS EMERGENCY LIGHT.