Electricity savings: G4 2W LED bulb can replace 15-20W halogen lamp. Exceptional lifespan of up to 25,000 hours! It saves up to 90% -93% energy. It produces less heat and lasts longer than halogen lamps. AC/DC 12V; CRI> 85, CRI> 85 ensures vivid visual enjoyment with original colors. Comfortable light: The G4 2W LED bulb emits warm white light of 3000K and 180LM from a 360 beam angle. Created a warm and comfortable atmosphere. Perfect bulb for your chandelier, kitchen hood, desk, floor lamp, ceiling light, etc. Ideal for bedroom, bathroom, living room, gallery, etc. Easy Installation: Standard G4 base, easy and quick to install. The size of the G4 1.5W LED bulb is 12*37.4mm. Its size is a little larger than the average halogen lamp. Please check the size before purchasing. Notes: If the G4 LED flickers, please add 1-3 standard halogen bulbs into the LED bulb assembly (due to low consumption of energy, the circuit will become unstable, so the LED flickers). Please do not use these bulbs with a dimmer. If plugged into 220V power supply, a transformer is required.