Highly desirable high end laser projectorsmulti-laser module structurethe multi-module structure laser light source supports continuous 24 7 operation. The laser beam is produced by multiple laser diodes. Increasing reliability.High brightnessthe ricoh pj wul6670. Pj wul6680 and pj wul6690 models continuously and stably deliver brightness levels of 7.200Lm. 8.500Lm. And 9.600Lm respectively. Clear. Sharp images can be obtained even in bright environments. Making these projectors suitable for applications in various fields such as large auditoriums. Conference rooms. Hotels. And large-scale exhibitions. Among others.High image quality and wide colour gamutusing a wuxga chip to project widescreen. High-definition images. These dlp projectors combine ricoh's unique nce natural colour gain technology. Rgb advanced adjustment and gamma type selection to efficiently cover over 97% of the rec.709 Colour gamut range. Delivering natural and realistic colours.20.000-Hour long lifethe laser light source has a long life of 20.000 Hours. Which is 6-7 times the life of a typical projector bulb source.4K signal compatible display3840 x 2160hz compatible. Which means this device can directly play 4k resolution format. Audio and video content.Multiple remote image correction functionssupports 30 horizontal and vertical keystone. Four corners. Six points and grid image correction functions. The remote control enables easy geometric correction for projection onto surfaces such as spheres an...