Weanas 4x G4 Base 33 LED Light Bulb Lamp 2835 SMD 4 Watt AC DC 12V Low Voltage Ceramic Base Plastic Shell Undimmable Equivalent to 25W Halogen Track Bulb Replacement 360&deg; Beam Angle (Warm White) The Item Material: Ceramic Base & Plastic Shell. Save Electricity Bill: Replace 25W halogen bulb by 4W LED, save 85% on electricity bill of Lighting. Light Angle: 360 Directional; 33 LEDs, AC DC 12V. Easy Installation: Standard G4 base,can be easily fitted instead of ordinary halogen bulbs. Reduce Re-lamp Frequency: Lifespan is over 30000 hrs,save effort and maintenance costs on changing bulbs frequently.