ZK430ST is one of the most compact Optoma 4K UHD laser projectors. Designed for continuous operation free of maintenance, this 3700 lumen projector offers powerful image performance with flexible installation features and large connectivity options in a factor of an elegant and compact shape, up to 34% smaller than the previous optoma models. By supporting Optoma's commitment for sustainability, ZK430ST reduces energy consumption up to 45% compared to the lamp projectors based on lamp projectors Optoma.² The Duracore saving laser technology guarantees a long duration of the product up to 30,000 hours without the need for additional lamps, requires minimum maintenance and is without mercury, further reducing its carbon imprint. A further advantage, ZK430ST is equipped with an external power supply that offers greater reliability, portability and energy efficiency. Ecological chassis is made with up to 50% PCR plastic (post-consumer recycled) and the package contains up to 97% of recyclable materials. Furthermore, the compact product and the size of the packaging of the Optoma ZK430ST projector allows you to transport 2 times more products for container, with consequent logistics more efficient to contribute to further reduce carbon emissions. Meeting rooms and other business spaces, the ZK430ST has a short focal lens, which means that it can be placed less than half a meter from any wall. For maximum convenience, it is provided with an RS232 connection for monitoring and control and an integrated speaker. By the comparison between the Mainstream Optoma 2023 laser projectors and the previous generation .² comparison between the mainstream laser projectors Optoma 2023 and the counterparties based on equivalent lamps. Based on the package of the laser optoma projectors 2023.