Kingoo 5J.J0W05.001 Original Projector Bare Lamp Bulb For BENQ HP3920 W1000 W1000+ W1050 Type: Bare Bulbs Lamp Life: 2500 -3000 Hours Compatibility: For BENQ Specifications: Bare Lamp Dimensions: 2.5 * 2.5 * 2 Inch Weight: 0.15 lb Labor: 150 Days Parts: 150 Days