Logitech K845 Mechanical Illuminated Keyboard, Strong Adjustable Tilt Legs, Full Size, Aluminum Top Case, 104 Keys, USB Corded, Windows (TTC Red Switches) - Walmart.com
MINT Logitech K840 Mechanical Keyboard with Romer G Mechanical Gamer Switches 97855127990 | eBay
Logitech K845 Mechanical Illuminated Keyboard
Logitech K840 104 Keys USB Wired Romer-G Ergonomic Mechanical Keyboard For Windows XP/Vista/7/8/10 For Gaming Keyboards
User manual Logitech K840 (English - 11 pages)
Logitech K840 Mechanical Keyboard with Romer-G Switches | eBay