CTLAMP ET-LAE4000 Professional Replacement Projector Lamp ET-LAE4000 Compatible Lamp with Housing Compatible with PANASONIC PT-AE4000 / PT-AE4000U / PT-AE4000E Lamp Type: High Quality Replacement Lamp with Housing Part number: ET-LAE4000 ET LAE4000 Model number: compatible with PANASONIC PT-AE4000 / PT-AE4000U / PT-AE4000E Wattage & Lifespan: 170 Watts ; Up to 2500 (normal) / 3000(economy) hours Life Guarantee: 30 days Refund & 150 days Warranty; professional customer service support. Any other problems with the projector lamp, please contact us