โปรเจคเตอร์ ยี่ห้อ NEC รุ่น CK4255X

• Less Shadow and Glare
• Low cost of ownership
• Full Connectivity and Media Playback
• Optional Multi-pen Interactivity
• Innovative ECO functions
• Various different inputs
• Powerful 20W speaker
• Advanced networking capabilities
• Robust and maintenance free with sealed light engine
• Light Out : 3700 ANSI
• Resolution : 1024 X 768 (XGA)
• Contrast Ratio : 15000 : 1
• Lamp Life : 6000 HRS/10000 HRS (Eco)
• Weight : 5.2 KG