Upgrade to LED on your existing or new displays. Simply remove old incandescent lamps and screw in a new LED. No transformer needed. C7 or C9 LED lamps fit in standard light lines. Durable, virtually unbreakable resin bulb (not glass) means replacement due to damage and burnouts is largely unnecessary. Save over 85% in power costs. Available in 8 never fading colors. 100,000 hours of expected life. Each lamp requires only 0.65 watts of power.