90% Energy Saving G4 12v 4W LED bulbs save 90% on electricity bills, outstanding lifespan of up to 30,000 hours Ideal replacement for G4 30-40W halogen lamps. Warm White and No FlickeringG4 Led Bulb with 3000K warm white creates a warm and comfortable atmosphere; no flickering, which can protect your eyes. Long lifespan and safety G4 LED pin base lamps with 63X 4014 LEDs, with ceramic cover + PC cover, not fragile and good heat dissipation, High light transmittance, extend lamp life up to 30000 hours. G4 LED Lamp TipsLED G4 bulbs are not dimmable, do not use these light bulbs with a dimmer; Small Size (16mm x 44mm). Please check the bulb dimensions before purchasing. Easy InstallationStandard G4 base, ideal for lighting cabinets, kitchen wall sconces, ceiling lights, range hood and l landscape lighting etc.