Integrated thumb switch for easy installation, heat setting can be changed without removing your hand from the handlebar. "Plug and Play" wiring connections for quick and easy installation. 5 Temperature settings (indicated by different color LED's) for a wide range of temperature options. Low battery protection which automatically turns off the heated grips if battery voltage drops below a certain level. Grips can be used open ended for bikes with bar end protectors (end caps included if closed end grips are needed) Fits 7/8" bars, grip length 5-1/8"