BENQ Replacement Lamp For W1070 / 5J.J7L05.001, Designed For BenQ W1070, W1080ST, BenQ Projector lamp The 5J.J7L05.001 bulb is a replacement lamp. It contains a 240W P-VIP bulb with 3,500 hours of normal life and 6,000 hours of lamp life in power saving mode. This lamp can be used with these projectors.