BenQ KD4404 is a laser projector for engineering use. It is suiatable for various venues. The projetcor can project excellent viewing experience even under bright ambient light. The blue core laser engine significantly improves color reproduction through a dual-color wheel system, supports 360-degree projection and side projection, and supports 7×24 hour continuous operation. KD4404 has rich optional lenses and supports 3D (DLP Link,PC+Video), which improves the versatility and flexibility of projector installation and use.