Laser technology—the bright choice Lamp-free convenience: With no replacement bulbs to worry about, & no warmup or cooldown time, laser projection can save you time & headache. It can run 24/7 & has low power consumption, making it perfect for use in demanding environments. Consistent brightness & color: Enjoy bright, vibrant colors the way they were meant to be seen, with 93% s RGB color. Built to last: Laser technology lasts up to 10 years—20, 000 hours or 8 full hours of use each workday. Plus, the IP5X dust rating means your projector works beautifully even in tough, dusty environments. Connect your way Any angle, anytime: The P519HL is engineered to project perfectly—even on its side or upside down. Wireless presenting: Project wirelessly over your corporate network or connect directly to the projector wirelessly with the optional WD518 Seamless transitions: Your guests can present easily using the Dell Network Projection App Lite, which can be run without installation & can accommodate up to four presenters simultaneously. Ports galore: The wide range of ports allows for easy connectivity to devices & network control systems. Seamless management: The RJ45 & RS232 allow you to conveniently control your projector via the network or meeting room control systems.