Designed for instrument panel lighting, PilotLights are ideal for vehicle lighting in boats, RVs, Trucks, Cars and Aircraft. These 12volt LED strips encase dozens of tiny but powerful LEDs inside a flexible plastic strip. They are alos easily trimmed every 2 1/2 inches (every 3 LEDs). PilotLights are easy to install using just the double sided 3M tape included. Just position them under your glareshield, tape in place and wire to your existing dimmer controller. See our other Amazon listings for inexpensive PWM (pulse-wave modulation) dimmers with integrated on/off switches for operating this and other 12 volt lighting products.