Groupon takes 77% to 84% off a selection of Westinghouse 120Hz LED-backlit LCD Interactive Touchscreen Whiteboard Displays, with prices starting from $1,099, as listed below. Plus, these items receive free shipping. That's a very low price for such whiteboards and the best deals we could find by at least $395. The deals, each ending May 8:

• Westinghouse 55" 1080p 120Hz LED LCD Touchscreen Whiteboard Display for $1,099 (pictured, low by $395)
• Westinghouse 65" 1080p 120Hz LED LCD Touchscreen Whiteboard Display for $1,299 (low by $390)
• Westinghouse 70" 1080p 120Hz LED LCD Touchscreen Whiteboard Display for $1,799 ($8,201 off)
• Westinghouse 84" 4K UHD 2160p 120Hz LED LCD Touchscreen Whiteboard Display for $3,499 (low by $1,469)