Accessing LEDs and Switches in Razer Blackwidow Ultimate 2013 - iFixit Repair Guide
Razer Blackwidow V3 Full Size Wired Mechanical Green Clicky Tactile Switch Gaming Keyboard with Chroma RGB Backlighting Black RZ03-03540200-R3U1 - Best Buy
Razer Gaming Keyboards & Keypads: Mechanical Keyboard, Backlit Keyboard, and more
Accessing LEDs and Switches in Razer Blackwidow Ultimate 2013 - iFixit Repair Guide