Rayhoo 6pcs G4 Base 48 LED Bulb Aluminum Case 4 Watt AC DC 12V LED Light Lamp Undimmable Equivalent to 30W T3 Halogen Track Bulb Replacement 360&deg; Beam Angle360 Lumens AC/DC WhiteExtremely Bright Save electricity bill: Replace 30W halogen bulb by 4W LED, 360 lumens, save 85% on electricity bill of lighting Light angle: 360 Directional; 48 LEDs, AC DC 12V (10V-20V); Non-dimmable. Easy Installation:Standard G4 base,can be easily fitted instead of ordinary halogen bulbs. Reduce re-lamp frequency:Lifespan is over 20000 hrs,save effort and maintenance costs on changing bulbs frequently. Eco-Friendly:No lead or mercury; No UV or IR Radiation. Aluminum case, Good heat dissipation performance, High quality LED chip, 360 lumens, Extremely Bright.