BenQ LH650 4000lms 1080p Laser Meeting Room ProjectorFutureproof Your Workspace with Laser Technology Laser projection technology futureproofs your workspace sustainability. LH650 not only saves power and maintenance costs but its compact size and high brightness also ensure an efficient and uninterrupted meeting experience. No lamp replacement, no mercury. Eco friendly production with fewer consumables. Compact and light (under 3kg), saving table space. 20,000 hr max laser lifetime (with Eco Mode).