LED Light Bulbs 3-Way 50/100/150W Equivalent YAMAO A21 2700K Soft White Light Bulbs UL Listed 800/1500/2200LM (2 Pack)Color:Soft White (2700K) Specifications:Light Bulb Type: 3-way led light bulb A21Color Temperature: 2700K (Soft white）Wattage: 50/100/150W EquivalentVoltage: 110-240V AC Light Bulb Base Type: Medium E26 Screw BaseColor Rendering Index (RA): 80 + (vivid and natural light)Material: Die-casting Aluminum + PC (Good heat dissipation) Average Life (hours): 30,000 hours Package: 2 Pack3-WAY LED BULB With each click of the switch, the LED bulb will cycle between off, 50w, 100w, and 150w equivalent brightness using only a fraction the power needed compared to an incandescent or halogen bulb. INSTANT ON LED bulbs are instant on. No warming up, no noise, just full brightness at the flick of the switch. LONG LIFE YAMAO's A19 bulbs are rated at 30,000 hours. No more pole changers, dangerous ladders, or scaffolding to reach difficult to reach light fixtures.UL-LISTED UL listing insures you’re getting safe, properly designed and manufactured products. National Electrical Code (NEC), requires the use of UL listed products. Applications: Indoor lighting, hotel, meeting room, offices, hospital, schools, factories, museum, shopping malls, supermarkets, etc Cautions: 1. Cut off the power supply before installation.. 2. Keep away from direct sunshine and too high temperature. 3 . If any doubt about the installation or use of this product, consult a competent electrician.Warranty:Free 2-year product warranty is offered to our customers.If you have any question, email us and you will get a satisfactory reply within 24 hours.