Razer Keyboard Razer Hunstman V2 TKL Red Switch Quartz US

THE NEW RAZER OPTO-MECHANICAL SWITCH
Razer Opto-MechanicalTM Switches have an optical light sensor inside the switch. Upon pressing a key, you allow a receiver to be activated by this light signal, instantly actuating the switch command. You’ve never experienced speed like this before.
HYBRID ON-BOARD MEMORY & CLOUD STORAGE
Rebind buttons, assign macros, and automatically save all your profile configurations with cloud storage. And if you’re without internet access, simply save up to 5 profiles via hybrid on-board memory.