&lt;b&gt;Low Maintenance Laser Lightsource for Constant Brightness Level and Color Performance for up to 20000 hours&lt;/b&gt;N/AThe DU3661Z laser projector will appeal to any business owner and is of equal interest to System Integrators looking for compact laser projectors for simulation or display projects. Compact in size and weighing only 7kg the DU3661Z offers 5000 Lumens of brightness and WUXGA resolution to deliver the high performance. The projector comes with smart features to facilitate meetings and to increase productivity before during and after its use. In addition the model come with three HDMI ports HDBaseT flexible installation features for easy set up.