BenQ SH915 1080p 4000 Lumens Full HD 3D Ready Projector with HDMI Projector The upper lamp door allows easy lamp access to replace the projector lamp safely and quickly. With Quick Install hotkey on the remote control, installer can quickly access to installation related functions in the OSD menu. BenQ's Smart Eco Technology can help save up to 70% of lamp power consumption and lower maintenance costs through dynamic power saving features while bringing an ultra-vivid viewing experience.