High quality: Good brightness, long life, picture quality HDThe durability time and brightness are almost identical to the original. Lamp life: 3000-5000 hours Lamp life(Eco mode), save lamp replacement cost Note: Please refer to the projector manual when replacing the lamp. Please remove the lamp cover before the lamp is cool enough.Heat may cause burns and injuries.The lamp should be cool enoughly, about 1 hour after the power is off.