Package includes: 2 microwave light bulbs. This microwave light bulb is replaced for microwaves WB36x10003, , also universal for E17 base socket applications. This 40 watt microwave bulb is compatible with these following brands: GE, Ken-more,LG, Frigidaire, Goldstar, Ken-more Elite Shock and vibration resistant and able to withstand high temperatures, durable. We will offer 90 days warranty, if you have any questions after receiving the item, please feel free to email us. We will reply to you, return or exchange for you immediately.