AuraBeam ELP-LP54 Replacement Projector Lamp with Housing Fit H312A H312B H312C H327A H327C H328A H328B H328C H331A H331C PowerLite 79 PowerLite HC 705HD PowerLite S7 by AuraBeam Aurabeam Projector solutions. From the economic to the professional versions our lamps ensure great quality Economic version: Affordable option for the low use consumer, designed to ensure the best quality on a low budget Easy install: Housing included, minimize installation time to make sure your device is back in action! Contact: Do you have an issue or question regarding the lamp or the compatibility of your device? Email us, our Customer Service is here to help you. User Protection: The Economic series lamps include a 90 day replacement warranty and a 30 day refund warranty,