Weanas 4x G4 Base 48 LED Light Bulb Lamp 3 Watt AC DC 12V/10-20V Warm White Undimmable Equivalent to 20W T3 Halogen Track Bulb Replacement 360&deg; Beam Angle Save electricity bill: Replace 20W halogen bulb by 3W LED, save 85% on electricity bill of lighting. Light angle: 360 Directional;48 LEDs,AC DC 12V (10V-20V). Easy Installation:Standard G4 base,can be easily fitted instead of ordinary halogen bulbs. Reduce re-lamp frequency:Lifespan is over 30,000 hours,save effort and maintenance costs on changing bulbs frequently. Eco-Friendly:No lead or mercury; No UV or IR Radiation.