Usage Tips:Features: brand and Longer service life:The optical trigger reduces the physical contact,so that the for key tapping life can reach 100 million times. Raise for apm(hand speed):Reset and trigger are completed at the samepoint,which can complete more keystrokes at a faster speed. Stabilizer bar design:The for key balance bar is adopted on the upper part of the shaft body to ensure the level and consistency of the for key cap after being pressed. Straight up and down feel:The thunder snake optical mechanical axis fully combines the crisp feel of the paragraph with the light trigger pressure. Suitable for Razer Huntsman Elite Gaming Mechanical Keyboard. Specifications: Type:Razer Optical Switches Material: Plastic Quantity: 4Pcs Color: Red Packing size: approx. 5x5cm/1.97x1.97in Note: This link is for the for Razer switches mechanical keyboard.No Keyboard included. Suitable for Razer Huntsman Elite Gaming Mechanical Keyboard. Package includes: 4 x Mechanical Switches