BenQ DLP Education Projectors are with anti-dust accumulated color wheel sensors to prevent dust from causing flickering, abnormal colors, or even shutdown
BenQ DLP Education Projectors are with IP5X DustGuard technology that sealed light source and filter to protect from dust in any environment
BenQ DLP Education Projectors are with IP6X DustGuard Pro technology that sealed light source and engine to protect from dust in any environment