Heat levels for grips and thumb displayed on vehicle screen. Ergonomic button integrated on LH grip. Single button for both grips and thumb heat selection. Five temperature settings for the thumb and grips. Adjustable heat ratio between grip and thumb warmer. Hold button to reach maximum heat quickly. Remembers your last heat setting. IP67-rated waterproof sealing keeps the elements out. ECE compliant. Plug-and-play installation. Clamp-on grips, no glue required.